Upload FAANG_Data_Merged.csv
Browse files- FAANG_Data_Merged.csv +795 -0
FAANG_Data_Merged.csv
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| 1 |
+
Questions,Type ,Role
|
| 2 |
+
How would you calculate the median in SQL?,Technical,Data Scientist
|
| 3 |
+
How would you handle missing values in a dataset using SQL?,Technical,Data Scientist
|
| 4 |
+
What's the difference between using a UNION and a UNION ALL in SQL?,Technical,Data Scientist
|
| 5 |
+
How do you find the third highest mountains in MX and USA?,Technical,Data Scientist
|
| 6 |
+
How do you find the total revenue generated by each genre in the year 2022?,Technical,Data Scientist
|
| 7 |
+
How do you find the earliest bid_id for each customer?,Technical,Data Scientist
|
| 8 |
+
How do you improve the performance of a Python script?,Technical,Data Scientist
|
| 9 |
+
How you would implement a machine learning model in Python?,Technical,Data Scientist
|
| 10 |
+
"What are decorators in Python, and how would you use them?",Technical,Data Scientist
|
| 11 |
+
Explain the significance of the p-value in hypothesis testing.,Technical,Data Scientist
|
| 12 |
+
How would you use linear regression to predict future trends?,Technical,Data Scientist
|
| 13 |
+
What is Bayesian's Theorem and how is it applied in data science?,Technical,Data Scientist
|
| 14 |
+
How can the Central Limit Theorem be used in data analysis?,Technical,Data Scientist
|
| 15 |
+
You are given a data set that contains information about when users click on ads. How would you use this data to optimize ad campaigns?,Technical,Data Scientist
|
| 16 |
+
You are given a data set that contains transaction data from an eCommerce website. How would you use this data to increase conversion rates?,Technical,Data Scientist
|
| 17 |
+
"Given a data set, how would you find the most important factors contributing to customerchurn?",Technical,Data Scientist
|
| 18 |
+
How would you develop a pricing strategy for Friday night rides for a rideshare app?,Technical,Data Scientist
|
| 19 |
+
How would you investigate if teenagers are leaving Facebook because their parents are joining?,Technical,Data Scientist
|
| 20 |
+
How do you create a dashboard to monitor customer usage and engagement?,Technical,Data Scientist
|
| 21 |
+
How can customer satisfaction be measured using Google Maps data?,Technical,Data Scientist
|
| 22 |
+
What approach would you take to analyze usage patterns and improve engagement on Yelp?,Technical,Data Scientist
|
| 23 |
+
How would you develop a machine learning model to predict whether or not a customer will purchase a product?,Technical,Data Scientist
|
| 24 |
+
What is a decision tree?,Technical,Data Scientist
|
| 25 |
+
How would you use a decision tree to predict whether or not a customer will churn?,Technical,Data Scientist
|
| 26 |
+
What is gradient boosting?,Technical,Data Scientist
|
| 27 |
+
How would you use gradient boosting to improve the accuracy of a machine learning model?,Technical,Data Scientist
|
| 28 |
+
What is the difference between supervised and unsupervised learning?,Technical,Data Scientist
|
| 29 |
+
"What is a convolutional neural network (CNN), and how is it applied in image recognition tasks?",Technical,Data Scientist
|
| 30 |
+
How would you handle overfitting in a machine-learning model?,Technical,Data Scientist
|
| 31 |
+
How would you evaluate the performance of a machine learning model?,Technical,Data Scientist
|
| 32 |
+
What is the difference between bagging and boosting algorithms?,Technical,Data Scientist
|
| 33 |
+
How would you handle imbalanced datasets in machine learning?,Technical,Data Scientist
|
| 34 |
+
"What is hypothesis testing, and how would you approach it for a dataset?",Technical,Data Scientist
|
| 35 |
+
"What are confidence intervals, and how do they relate to hypothesis testing?",Technical,Data Scientist
|
| 36 |
+
What is the difference between Type I and Type II errors in hypothesis testing?,Technical,Data Scientist
|
| 37 |
+
How would you perform hypothesis testing for comparing two population means?,Technical,Data Scientist
|
| 38 |
+
"What is ANOVA (Analysis of Variance), and when is it used in statistical analysis?",Technical,Data Scientist
|
| 39 |
+
How would you design a recommendation system for an e-commerce platform like Amazon?,Technical,Data Scientist
|
| 40 |
+
"Suppose you are tasked with improving user engagement on a social media platform. What metrics would you consider, and how would you measure success?",Technical,Data Scientist
|
| 41 |
+
How would you design a pricing model for a subscription-based service like Netflix?,Technical,Data Scientist
|
| 42 |
+
Imagine you are tasked with improving the search functionality of a search engine like Google. How would you approach this challenge?,Technical,Data Scientist
|
| 43 |
+
How would you measure the impact and success of a new feature release in a mobile app?,Technical,Data Scientist
|
| 44 |
+
Suppose you are tasked with improving the user onboarding process for a software platform. How would you approach this?,Technical,Data Scientist
|
| 45 |
+
How would you prioritize and manage multiple concurrent data science projects with competing deadlines?,Technical,Data Scientist
|
| 46 |
+
Suppose you are asked to design a fraud detection system for an online payment platform. How would you approach this task?,Technical,Data Scientist
|
| 47 |
+
How would you handle missing data in a dataset during the analysis process?,Technical,Data Scientist
|
| 48 |
+
"What are regularization techniques, and how do they help prevent overfitting in machine learning models?",Technical,Data Scientist
|
| 49 |
+
"What is the curse of dimensionality in machine learning, and how does it affect model performance?",Technical,Data Scientist
|
| 50 |
+
What is the difference between supervised and unsupervised learning algorithms?,Technical,Data Scientist
|
| 51 |
+
" What is cross-validation, and why is it important in evaluating machine learning models?",Technical,Data Scientist
|
| 52 |
+
Tell me about when you had to solve a complex problem in your previous role. How did you approach it?,Technical,Data Scientist
|
| 53 |
+
Describe a situation where you had to work on a project with a tight deadline. How did you manage your time and deliver the results?,Technical,Data Scientist
|
| 54 |
+
Can you share an experience when you faced a disagreement or conflict within a team? How did you handle it?,Technical,Data Scientist
|
| 55 |
+
Tell me about when you had to adapt to a significant project or work environment change. How did you handle it?,Technical,Data Scientist
|
| 56 |
+
Describe a situation where you had to work with a challenging team member or stakeholder. How did you handle it?,Technical,Data Scientist
|
| 57 |
+
Can you share an experience where you had to make a difficult decision based on limited information or under time pressure?,Technical,Data Scientist
|
| 58 |
+
Describe a situation where you had to manage multiple tasks simultaneously. How did you prioritize and ensure timely completion?,Technical,Data Scientist
|
| 59 |
+
What Is the Google Data Scientist Interview Process Like?,Technical,Data Scientist
|
| 60 |
+
How to Stand Out in Google Data Scientist Interviews?,Technical,Data Scientist
|
| 61 |
+
What do you understand by supervised and unsupervised machine learning?,Technical,Data Scientist
|
| 62 |
+
What is the difference between the bagged model and boosted model?,Technical,Data Scientist
|
| 63 |
+
How would you differentiate between K-mean and EM?,Technical,Data Scientist
|
| 64 |
+
How would you encode a categorical variable with thousands of distinct values?,Technical,Data Scientist
|
| 65 |
+
What steps will you take to design and build the recommendation algorithm for a type-ahead search for Google?,Technical,Data Scientist
|
| 66 |
+
What methods would you use to detect anomalies in AI?,Technical,Data Scientist
|
| 67 |
+
What do you understand about the Rectified Linear Unit in Machine Learning?,Technical,Data Scientist
|
| 68 |
+
What is the AdaGrad algorithm in Machine Learning?,Technical,Data Scientist
|
| 69 |
+
What is AUC? What are evaluation metrics in AI and Machine Learning?,Technical,Data Scientist
|
| 70 |
+
What are the applications of Feature Selection in AI?,Technical,Data Scientist
|
| 71 |
+
"There are 20 pink and 20 white balls in a box. There is another box with 40 pinks and 40 white balls. If you have to pick two balls at random from any one of the two boxes, which box has the higher probability of satisfying your requirements?",Technical,Data Scientist
|
| 72 |
+
What are the steps to test the applicability of the Gaussian mixture model?,Technical,Data Scientist
|
| 73 |
+
How would you simulate a bivariate normal?,Technical,Data Scientist
|
| 74 |
+
How can you derive the variance of a distribution?,Technical,Data Scientist
|
| 75 |
+
How can you build estimators for medians?,Technical,Data Scientist
|
| 76 |
+
What do you understand about a probability distribution that is not normal? How would you apply it?,Technical,Data Scientist
|
| 77 |
+
"For highly correlated two predictors, what are the confidence intervals of the coefficients? How would that affect the coefficients in the logistic regression?",Technical,Data Scientist
|
| 78 |
+
Differentiate K-mean and Gaussian mixture models?,Technical,Data Scientist
|
| 79 |
+
How to assess if a given coin is biased? What do the p-values in high dimensional linear regression tell you?,Technical,Data Scientist
|
| 80 |
+
What is the derivative of 1/x?,Technical,Data Scientist
|
| 81 |
+
If you have ten coins and you toss each coin ten times. Would you change your approach to the way you assess the fairness of coins?,Technical,Data Scientist
|
| 82 |
+
What steps help remove bias in A/B Testing?,Technical,Data Scientist
|
| 83 |
+
How could you test if a metric has increased on a change you made in a Google app?,Technical,Data Scientist
|
| 84 |
+
How do you detect inappropriate content on YouTube?,Technical,Data Scientist
|
| 85 |
+
How would you evaluate if upgrading the android app enhances searches?,Technical,Data Scientist
|
| 86 |
+
How to design a customer satisfaction survey?,Technical,Data Scientist
|
| 87 |
+
How would you account for users' likes on videos?,Technical,Data Scientist
|
| 88 |
+
What Data Science-based product will you build for Google and why?,Technical,Data Scientist
|
| 89 |
+
Why would you choose GBM over logistic regression?,Technical,Data Scientist
|
| 90 |
+
How can NoSQL databases be better than SQL databases?,Technical,Data Scientist
|
| 91 |
+
What procedure will you follow to resolve the issue of bias in case of removal of missing values from a database?,Technical,Data Scientist
|
| 92 |
+
How will you test the changes you have made to a mobile app for a business firm?,Technical,Data Scientist
|
| 93 |
+
What is caching in Data Science? Explain how it works.,Technical,Data Scientist
|
| 94 |
+
What do you understand about Hadoop architecture?,Technical,Data Scientist
|
| 95 |
+
What are the methods and techniques for anomaly detection?,Technical,Data Scientist
|
| 96 |
+
How do you think Data Science can contribute to Smart City development?,Technical,Data Scientist
|
| 97 |
+
How do you prioritize tasks when working on many different projects?,Technical,Data Scientist
|
| 98 |
+
How do you complete multiple projects under tight time constraints?,Technical,Data Scientist
|
| 99 |
+
What career goals doyou have? How do you plan to achieve them?,Technical,Data Scientist
|
| 100 |
+
Do you have a favorite Google product? What do you love about it?,Technical,Data Scientist
|
| 101 |
+
Describe a time when a project you were working on wasn't successful. What did you learn?,Technical,Data Scientist
|
| 102 |
+
How would you handle an uncooperative co-worker?,Technical,Data Scientist
|
| 103 |
+
What is the best way to maintain a work-life balance?,Technical,Data Scientist
|
| 104 |
+
What makes you interested in this Data Scientist position at Google?,Technical,Data Scientist
|
| 105 |
+
What is it about Google's culture that you like the most?,Technical,Data Scientist
|
| 106 |
+
What training programs are available to yourdata scientists?,Technical,Data Scientist
|
| 107 |
+
Where have successfuldata scientistspreviously in this position progressed to?,Technical,Data Scientist
|
| 108 |
+
What metrics will my performance be evaluated against?,Technical,Data Scientist
|
| 109 |
+
Can you tell me about the team I'll be working with?,Technical,Data Scientist
|
| 110 |
+
Is there anything I can provide that would be helpful?,Technical,Data Scientist
|
| 111 |
+
What Is the Google Data Scientist Interview Process Like?,Technical,Data Scientist
|
| 112 |
+
How to Stand Out in Google Data Scientist Interviews?,Technical,Data Scientist
|
| 113 |
+
What do you understand by supervised and unsupervised machine learning?,Technical,Data Scientist
|
| 114 |
+
What is the difference between the bagged model and boosted model?,Technical,Data Scientist
|
| 115 |
+
How would you differentiate between K-mean and EM?,Technical,Data Scientist
|
| 116 |
+
How would you encode a categorical variable with thousands of distinct values?,Technical,Data Scientist
|
| 117 |
+
What steps will you take to design and build the recommendation algorithm for a type-ahead search for Google?,Technical,Data Scientist
|
| 118 |
+
What methods would you use to detect anomalies in AI?,Technical,Data Scientist
|
| 119 |
+
What do you understand about the Rectified Linear Unit in Machine Learning?,Technical,Data Scientist
|
| 120 |
+
What is the AdaGrad algorithm in Machine Learning?,Technical,Data Scientist
|
| 121 |
+
What is AUC? What are evaluation metrics in AI and Machine Learning?,Technical,Data Scientist
|
| 122 |
+
What are the applications of Feature Selection in AI?,Technical,Data Scientist
|
| 123 |
+
"There are 20 pink and 20 white balls in a box. There is another box with 40 pinks and 40 white balls. If you have to pick two balls at random from any one of the two boxes, which box has the higher probability of satisfying your requirements?",Technical,Data Scientist
|
| 124 |
+
What are the steps to test the applicability of the Gaussian mixture model?,Technical,Data Scientist
|
| 125 |
+
How would you simulate a bivariate normal?,Technical,Data Scientist
|
| 126 |
+
How can you derive the variance of a distribution?,Technical,Data Scientist
|
| 127 |
+
How can you build estimators for medians?,Technical,Data Scientist
|
| 128 |
+
What do you understand about a probability distribution that is not normal? How would you apply it?,Technical,Data Scientist
|
| 129 |
+
"For highly correlated two predictors, what are the confidence intervals of the coefficients? How would that affect the coefficients in the logistic regression?",Technical,Data Scientist
|
| 130 |
+
Differentiate K-mean and Gaussian mixture models?,Technical,Data Scientist
|
| 131 |
+
How to assess if a given coin is biased? What do the p-values in high dimensional linear regression tell you?,Technical,Data Scientist
|
| 132 |
+
What is the derivative of 1/x?,Technical,Data Scientist
|
| 133 |
+
If you have ten coins and you toss each coin ten times. Would you change your approach to the way you assess the fairness of coins?,Technical,Data Scientist
|
| 134 |
+
What steps help remove bias in A/B Testing?,Technical,Data Scientist
|
| 135 |
+
How could you test if a metric has increased on a change you made in a Google app?,Technical,Data Scientist
|
| 136 |
+
How do you detect inappropriate content on YouTube?,Technical,Data Scientist
|
| 137 |
+
How would you evaluate if upgrading the android app enhances searches?,Technical,Data Scientist
|
| 138 |
+
How to design a customer satisfaction survey?,Technical,Data Scientist
|
| 139 |
+
How would you account for users' likes on videos?,Technical,Data Scientist
|
| 140 |
+
What Data Science-based product will you build for Google and why?,Technical,Data Scientist
|
| 141 |
+
Why would you choose GBM over logistic regression?,Technical,Data Scientist
|
| 142 |
+
How can NoSQL databases be better than SQL databases?,Technical,Data Scientist
|
| 143 |
+
What procedure will you follow to resolve the issue of bias in case of removal of missing values from a database?,Technical,Data Scientist
|
| 144 |
+
How will you test the changes you have made to a mobile app for a business firm?,Technical,Data Scientist
|
| 145 |
+
What is caching in Data Science? Explain how it works.,Technical,Data Scientist
|
| 146 |
+
What do you understand about Hadoop architecture?,Technical,Data Scientist
|
| 147 |
+
What are the methods and techniques for anomaly detection?,Technical,Data Scientist
|
| 148 |
+
How do you think Data Science can contribute to Smart City development?,Technical,Data Scientist
|
| 149 |
+
How would you forecast a brand's sales?,Technical,Data Scientist
|
| 150 |
+
Is it good to apply bootstrapping on samples to increase your sample size?,Technical,Data Scientist
|
| 151 |
+
Given 3 coin tosses of a fair coin results in Heads. What is the probability that the 4th coin toss will also result in a Head?,Technical,Data Scientist
|
| 152 |
+
When do you use mean vs median?,Technical,Data Scientist
|
| 153 |
+
"Write a function that draws N samples from a population with mean = 0, SD = 1 and plot the histogram.",Technical,Data Scientist
|
| 154 |
+
"Given a list of numbers, calculate the sum of the odd numbers in the sequence of 100 numbers (I.e. sum(1st, 3rd, 5th � Nth number for in sequence ).)",Technical,Data Scientist
|
| 155 |
+
"Talk about a data science project you�ve worked on, and your contribution.",Technical,Data Scientist
|
| 156 |
+
What�s the probability of a type 1 error? What happens when the sampling distribution is altered (e.g. filtering out all values below the mean) and how does it affect type 1 errors?,Technical,Data Scientist
|
| 157 |
+
"Suppose you are tasked with improving the user engagement of a mobile app. What metrics would you consider to measure engagement, and why?",Technical,Data Scientist
|
| 158 |
+
Write a code to implement a hash table in Python.,Technical,Data Scientist
|
| 159 |
+
Write a code to invert a binary tree in a programming language of your choice.,Technical,Data Scientist
|
| 160 |
+
How will you generate a matrix that follows Bernoulli distribution in python? Divide each element of the matrix with the sum of columns.,Technical,Data Scientist
|
| 161 |
+
"Explain what is meant by the terms ""parametric"" and ""non-parametric"" in statistics, and describe the key differences between these two approaches?",Technical,Data Scientist
|
| 162 |
+
"If two predictors are highly correlated, what is the effect on the coefficients in the logistic regression? What are the confidence intervals of the coefficients?",Technical,Data Scientist
|
| 163 |
+
"If the labels are known in a clustering project, how would you evaluate the performance of the model?",Technical,Data Scientist
|
| 164 |
+
What is the difference between K-means and the Expectation-Maximization (EM) algorithm?,Technical,Data Scientist
|
| 165 |
+
How to determine if a Gaussian mixture model is an appropriate choice for modeling a given data set?,Technical,Data Scientist
|
| 166 |
+
"How would you design an A/B test to compare the effectiveness of two product campaigns, given data on their performance and a goal of detecting a 3% increase in effectiveness?",Technical,Data Scientist
|
| 167 |
+
"Describe how you would make inferences from the data collected in an A/B test, including estimating the difference in campaign effectiveness and assessing the significance of the results?",Technical,Data Scientist
|
| 168 |
+
What do you understand by precision and recall? What are the caveats to using these metrics?,Technical,Data Scientist
|
| 169 |
+
"You are working with the PM of Google Meet, who wants to roll out a new set of buttons on the UX. What advice would you give them in order to make sure they make good decisions? What metrics would you recommend tracking to assess success?",Technical,Data Scientist
|
| 170 |
+
You have a google app and you make a change. How do you test if a metric has increased or not?,Technical,Data Scientist
|
| 171 |
+
How would you compare if upgrading the Android system produces more searches?,Technical,Data Scientist
|
| 172 |
+
"Explain LASSO RIDGE, Research Paper, Optimization etc",Technical,Data Scientist
|
| 173 |
+
How would you find the top 5 highest-selling items from a list of order histories?,Technical,Data Scientist
|
| 174 |
+
How to evaluate the deer population density in one national park?,Technical,Data Scientist
|
| 175 |
+
What is standard error of the mean?,Technical,Data Scientist
|
| 176 |
+
Implement Rejection sampling.,Technical,Data Scientist
|
| 177 |
+
How can you tell if a given coin is biased?,Technical,Data Scientist
|
| 178 |
+
"Why use feature selection? If two predictors are highly correlated, what is the effect on the coefficients in the logistic regression? What are the confidence intervals of the coefficients?",Technical,Data Scientist
|
| 179 |
+
How could you do A/B test if we see a 3% increase for the product?,Technical,Data Scientist
|
| 180 |
+
What is the assumption of error in linear regression?,Technical,Data Scientist
|
| 181 |
+
K- mean and Gaussian mixture model: what is the difference between K-mean and EM?,Technical,Data Scientist
|
| 182 |
+
How to decided k in kmeans?,,Data Scientist
|
| 183 |
+
"You are at a Casino and have two dices to play with. You win $10 every time you roll a 5. If you play till you win and then stop, what is the expected payout?",,Data Scientist
|
| 184 |
+
"�You are about to get on a plane to London, you want to know whether you have to bring an umbrella or not. You call three of your random friends and as each one of them if it�s raining. The probability that your friend is telling the truth is 2/3 and the probability that they are playing a prank on you by lying is 1/3. If all 3 of them tell that it is raining, then what is the probability that it is actually raining in London.",,Data Scientist
|
| 185 |
+
"�How would add new Facebook members to the database of members, and code their relationships to others in the database?",,Data Scientist
|
| 186 |
+
�How will you test that there is an increased probability of a user staying active after 6 months given that a user has more friends now?,,Data Scientist
|
| 187 |
+
"�You are given 40 cards with four different colors- 10 Green cards, 10 Red Cards, 10 Blue cards, and 10 Yellow cards. The cards of each color are numbered from one to ten. Two cards are picked at random. Find out the probability that the cards picked are not of the same number and same color.",,Data Scientist
|
| 188 |
+
�Create a program in a language of your choice to read a text file with various tweets. The output should be 2 text files-one that contains the list of all unique words among all tweets along with the count for repeated words and the second file should contain the medium number of unique words for all tweets.,,Data Scientist
|
| 189 |
+
�What will you do if removing missing values from a dataset causes bias?,,Data Scientist
|
| 190 |
+
�A disc is spinning on a spindle and you don�t know the direction in which way the disc is spinning. You are provided with a set of pins. How will you use the pins to describe in which way the disc is spinning?,,Data Scientist
|
| 191 |
+
How will you design a recommendation engine for jobs?,,Data Scientist
|
| 192 |
+
�What kind of product do you want to build at Google?,,Data Scientist
|
| 193 |
+
�Cars are implanted with a speed tracker so that the insurance companies can track our driving state. Based on this new scheme what kind of business questions can be answered?,,Data Scientist
|
| 194 |
+
�How can you decide if one algorithm is better than the other?,,Data Scientist
|
| 195 |
+
"�A box has 12 red cards and 12 black cards. Another box has 24 red cards and 24 black cards. You want to draw two cards at random from one of the two boxes, which box has a higher probability of getting cards of the same color and why?",,Data Scientist
|
| 196 |
+
�What is the difference between a bagged model and a boosted model?,,Data Scientist
|
| 197 |
+
"�You are creating a report for user content uploads every month and observe a sudden increase in the number of uploads for the month of January. The increase in uploads is, particularly in image uploads. What do you think will be the cause for this and how will you test this sudden spike?",,Data Scientist
|
| 198 |
+
�You own a clothing enterprise and want to improve your place in the market. How will you do it from the ground level?,,Data Scientist
|
| 199 |
+
�How will you decide which versions of the two of the Surge Pricing Algorithms is working better for any Aviation Company?,,Data Scientist
|
| 200 |
+
�What is the degree of freedom for lasso?,,Data Scientist
|
| 201 |
+
"�What is the difference between an iterator, generator and list comprehension in Python?",,Data Scientist
|
| 202 |
+
"Given a set of webpages and changes on the website, how will you test the new website feature to determine if the change works positively?",,Data Scientist
|
| 203 |
+
"Given an MxN dimension matrix with each cell containing an alphabet, find if a string is contained in it or not.",,Data Scientist
|
| 204 |
+
How will you build a caching system using an advanced data structure like hashmap?,,Data Scientist
|
| 205 |
+
"If you could get the dataset on any topic of interest, irrespective of the collection methods or resources then how would the dataset look like and what will you do with it?",,Data Scientist
|
| 206 |
+
What are anomaly detection methods?,,Data Scientist
|
| 207 |
+
How does caching work and how do you use it in Data Science?,,Data Scientist
|
| 208 |
+
"You are given a database containing customer orders. The database currently has redundant and repetitive data, leading to inconsistency and excess storage usage. Explain how you would apply�normalization techniques�to this database. What specific steps would you take to achieve�Third Normal Form (3NF)? Provide example tables before and after normalization.",,Data Scientist
|
| 209 |
+
"In the context of database systems, explain the different kinds of schemas that could be used. Provide examples of each schema type to illustrate their use.",,Data Scientist
|
| 210 |
+
Explain what�machine learning�is and how it helps us to�train data. Include examples of different types of machine learning and their typical applications.,,Data Scientist
|
| 211 |
+
When is it appropriate to use�mean�versus�median�in data analysis? Provide specific examples where one measure may be preferred over the other.,,Data Scientist
|
| 212 |
+
What type of SQL joins do you know?,,Data Scientist
|
| 213 |
+
What is OLAP and what are its differences compared to other database types?,,Data Scientist
|
| 214 |
+
What is Big Data and what is Hadoop used for?,,Data Scientist
|
| 215 |
+
How will you build a patent system?,,Data Scientist
|
| 216 |
+
How many websites are on the internet? How would you find out the number?,,Data Scientist
|
| 217 |
+
How do you apply data structures and algorithms in data analytics?,,Data Scientist
|
| 218 |
+
How would you approach finding a needle in a haystack?,,Data Scientist
|
| 219 |
+
Can you tell me about yourself?,,Data Scientist
|
| 220 |
+
"Do you know and use r, python, sql, pandas, and numpy?",,Data Scientist
|
| 221 |
+
Please define the term 'data wrangling' in the context of data analytics?,,Data Scientist
|
| 222 |
+
Questions,Type,,Role
|
| 223 |
+
How would you optimize Amazon's recommendation system to improve customer engagement and increase sales?,ML,,Data Scientist
|
| 224 |
+
Explain how you would leverage machine learning to enhance Amazon's fraud detection capabilities and ensure a secure online shopping experience for customers.,ML,,Data Scientist
|
| 225 |
+
Amazon handles vast amounts of data. Can you discuss a scalable approach to analyzing this data and extracting valuable insights using machine learning techniques?,ML,,Data Scientist
|
| 226 |
+
"Describe how you would use machine learning to optimize Amazon's supply chain management, ensuring timely delivery and minimizing costs.",ML,,Data Scientist
|
| 227 |
+
Amazon is known for its customer-centric approach. How would you utilize machine learning to personalize the shopping experience for each customer and increase customer satisfaction and loyalty?,ML,,Data Scientist
|
| 228 |
+
How would you use Python to efficiently parse and analyze large log files generated by Amazon Web Services (AWS) services?,ML,,Data Scientist
|
| 229 |
+
"Can you explain the difference between list comprehension and generator expressions in Python? When would you use each one, and why?",ML,,Data Scientist
|
| 230 |
+
Amazon operates on a massive scale. How would you design a Python script to automate the process of deploying and managing resources on AWS using the Boto3 library?,ML,,Data Scientist
|
| 231 |
+
"In a distributed system like Amazon's, how would you approach handling concurrency and parallelism in Python to optimize performance?",ML,,Data Scientist
|
| 232 |
+
"Write a function to get the intersection of two lists: For example, if A = [1, 2, 3, 4, 5], and B = [0, 1, 3, 7] then you should return [1, 3].",ML,,Data Scientist
|
| 233 |
+
How would you design and interpret an A/B test to evaluate the effectiveness of a new feature on Amazon's website?,ML,,Data Scientist
|
| 234 |
+
Amazon deals with large datasets. Can you discuss a statistical approach to identify trends and patterns in customer behavior data to improve marketing strategies?,ML,,Data Scientist
|
| 235 |
+
"Describe the process of designing a statistical model to predict product demand for Amazon's inventory management system. What factors would you consider, and how would you validate the model?",ML,,Data Scientist
|
| 236 |
+
Amazon aims to optimize its delivery network. How would you use statistical methods to analyze delivery times and identify areas for improvement?,ML,,Data Scientist
|
| 237 |
+
Amazon values customer satisfaction. Can you propose a statistical approach to analyze customer feedback data and prioritize areas for product and service enhancements?,ML,,Data Scientist
|
| 238 |
+
Write a SQL code to explain month to month user retention rate.,SQL,,Data Scientist
|
| 239 |
+
Describe different JOINs in SQL.,SQL,,Data Scientist
|
| 240 |
+
What is the most advanced query you’ve ever written?,SQL,,Data Scientist
|
| 241 |
+
"Given a table with three columns, (id, category, value) and each id has 3 or less categories (price, size, color); how can you find those id's for which the value of two or more categories matches one another? ",SQL,,Data Scientist
|
| 242 |
+
"I have table 1, with 1million records, with ID, AGE (column names) , Table 2 with 100 records with ID and Salary, and the following script. How many records would be returned?",SQL,,Data Scientist
|
| 243 |
+
"SELECT A.ID,A.AGE,B.SALARY",SQL,,Data Scientist
|
| 244 |
+
FROM TABLE 1 A,SQL,,Data Scientist
|
| 245 |
+
LEFT JOIN,SQL,,Data Scientist
|
| 246 |
+
TABLE 2 B,SQL,,Data Scientist
|
| 247 |
+
ON A.ID = B.ID,SQL,,Data Scientist
|
| 248 |
+
+,SQL,,Data Scientist
|
| 249 |
+
WHERE B.SALARY > 50000,SQL,,Data Scientist
|
| 250 |
+
"Given a csv file with ID and Quantity columns, 50million records, and the size of the data is 2gig, write a program to aggregate the QUANTITY column.",SQL,,Data Scientist
|
| 251 |
+
Write a python code for recognizing if entries to a list have the same characters or not. Then what is the computational complexity of it?,SQL,,Data Scientist
|
| 252 |
+
You have an array of integers and you want to find a certain element; what effective algorithm would you use and what is the efficiency of it?,SQL,,Data Scientist
|
| 253 |
+
"For a long sorted list and a short (4 element) sorted list, what algorithm would you use to search the long list for the 4 elements?",SQL,,Data Scientist
|
| 254 |
+
"Given an unfair coin with the probability of heads not equal to .5, what algorithm could you use to create a list of random 1s and 0s?",SQL,,Data Scientist
|
| 255 |
+
"Given a bar plot, imagine you are pouring water from the top. How do you qualify how much water can be kept in the bar chart? ",SQL,,Data Scientist
|
| 256 |
+
Write a Python function that displays the first n Fibonacci numbers.,SQL,,Data Scientist
|
| 257 |
+
"Suppose you have a list of strings, each of which is an English sentence. # Output a dictionary out_dict that maps a key n to the list of words that occur in n different sentences. # E.g. # Input: str_list = [ “The cat ate the fish”, “The cat saw the roses”, “The roses are red” ]",,DSA,Data Scientist
|
| 258 |
+
"If given an integer n and an array of numbers, give out the histogram divided into n bins.",DSA,,Data Scientist
|
| 259 |
+
How would you improve a classification model that suffers from low precision?,DSA,,Data Scientist
|
| 260 |
+
"We have two models, one with 85% accuracy, one 82%. Which one do you pick?",DSA,,Data Scientist
|
| 261 |
+
"When you have time series data by month, and it has large data records, how will you find significant differences between this month and previous month?",Technical,,Data Scientist
|
| 262 |
+
How do you inspect missing data and when are they important?,Technical,,Data Scientist
|
| 263 |
+
"Assume you have a file containing data in the form of data = [{""one"":a1, ""two"":b1,...},{""one"":a2, ""two"":b2,...},{""one"":a3, ""two"":b3,...},...] How could you split this data into 30% test and 70% train data?",Technical,,Data Scientist
|
| 264 |
+
How do you interpret logistic regression?,Technical,,Data Scientist
|
| 265 |
+
How does dropout work?,Technical,,Data Scientist
|
| 266 |
+
What is L1 vs L2 regularization?,Technical,,Data Scientist
|
| 267 |
+
What is the difference between bagging and boosting?,Technical,,Data Scientist
|
| 268 |
+
Explain in detail how a 1D CNN works.,Technical,,Data Scientist
|
| 269 |
+
Describe a case where you have solved an ambiguous business problem using machine learning.,Technical,,Data Scientist
|
| 270 |
+
"Having a categorical variable with thousands of distinct values, how would you encode it?",Technical,,Data Scientist
|
| 271 |
+
How do you manage an unbalanced data set?,Technical,,Data Scientist
|
| 272 |
+
What is lstm? Why use lstm? How was lstm used in your experience?,Technical,,Data Scientist
|
| 273 |
+
What did you use to remove multicollinearity? Explain what values of VIF you used.,Technical,,Data Scientist
|
| 274 |
+
Explain different time series analysis models. What are some time series models other than Arima?,Technical,,Data Scientist
|
| 275 |
+
How does a neural network with one layer and one input and output compare to a logistic regression?,Technical,,Data Scientist
|
| 276 |
+
What is p-value?,Technical,,Data Scientist
|
| 277 |
+
What is the maximum likelihood of getting k heads when you tossed a coin n times? Write down the mathematics behind it.,Technical,,Data Scientist
|
| 278 |
+
"There are 4 red balls and 2 blue balls, what's the probability of them not being the same in the 2 picks?",Technical,,Data Scientist
|
| 279 |
+
How would you explain hypothesis testing for a newbie?,Technical,,Data Scientist
|
| 280 |
+
What is cross-validation?,Technical,,Data Scientist
|
| 281 |
+
How do you interpret OLS regression results?,Technical,,Data Scientist
|
| 282 |
+
Explain confidence intervals,Technical,,Data Scientist
|
| 283 |
+
Name the five assumptions of linear regression,Technical,,Data Scientist
|
| 284 |
+
"Estimate the disease probability in one city given the probability is very low nationwide. Randomly asked 1000 people in this city, with all negative responses (NO disease). What is the probability of disease in this city?",Technical,,Data Scientist
|
| 285 |
+
What is the difference between linear regression and a t-test?,Technical,,Data Scientist
|
| 286 |
+
How does a logistic regression model know what the coefficients are?,Technical,,Data Scientist
|
| 287 |
+
Difference between convex and non-convex cost function; what does it mean when a cost function is non-convex?,Technical,,Data Scientist
|
| 288 |
+
Is random weight assignment better than assigning same weights to the units in the hidden layer?,Technical,,Data Scientist
|
| 289 |
+
"Given a bar plot and imagine you are pouring water from the top, how to qualify how much water can be kept in the bar chart?",Technical,,Data Scientist
|
| 290 |
+
What is Overfitting?,Technical,,Data Scientist
|
| 291 |
+
How would the change of prime membership fee would affect the market?,Technical,,Data Scientist
|
| 292 |
+
Why is gradient checking important?,Technical,,Data Scientist
|
| 293 |
+
"Describe Tree, SVM, Random forest and boosting. Talk about their advantage and disadvantages.",Technical,,Data Scientist
|
| 294 |
+
How do you weight 9 marbles three times on a balance scale to select the heaviest one?,Technical,,Data Scientist
|
| 295 |
+
Find the cumulative sum of top 10 most profitable products of the last 6 month for customers in Seattle.,Technical,,Data Scientist
|
| 296 |
+
Describe the criterion for a particular model selection. Why is dimension reduction important?,Technical,,Data Scientist
|
| 297 |
+
What are the assumptions for logistic and linear regression?,Technical,,Data Scientist
|
| 298 |
+
"If you can build a perfect (100% accuracy) classification model to predict some customer behaviour, what will be the problem in application?",Technical,,Data Scientist
|
| 299 |
+
"The probability that item an item at location A is 0.6 , and 0.8 at location B. What is the probability that item would be found on Amazon website?",Technical,,Data Scientist
|
| 300 |
+
"Given a ‘csv’ file with ID and Quantity columns, 50million records and size of data as 2 GBs, write a program in any language of your choice to aggregate the QUANTITY column.",Technical,,Data Scientist
|
| 301 |
+
Implement circular queue using an array.,Technical,,Data Scientist
|
| 302 |
+
"When you have a time series data by monthly, it has large data records, how will you find out significant difference between this month and previous months values?",Technical,,Data Scientist
|
| 303 |
+
Compare Lasso and Ridge Regression.,Technical,,Data Scientist
|
| 304 |
+
What’s the difference between MLE and MAP inference?,Technical,,Data Scientist
|
| 305 |
+
"Given a function with inputs — an array with N randomly sorted numbers, and an int K, return output in an array with the K largest numbers.",Technical,,Data Scientist
|
| 306 |
+
"When users are navigating through the Amazon website, they are performing several actions. What is the best way to model if their next action would be a purchase?",Technical,,Data Scientist
|
| 307 |
+
"Estimate the disease probability in one city given the probability is very low national wide. Randomly asked 1000 person in this city, with all negative response(NO disease). What is the probability of disease in this city?",Technical,,Data Scientist
|
| 308 |
+
Describe SVM.,Technical,,Data Scientist
|
| 309 |
+
How does K-means work? What kind of distance metric would you choose? What if different features have different dynamic range?,Technical,,Data Scientist
|
| 310 |
+
What is boosting?,Technical,,Data Scientist
|
| 311 |
+
How many topic modeling techniques do you know of?,Technical,,Data Scientist
|
| 312 |
+
Formulate LSI and LDA techniques.,Technical,,Data Scientist
|
| 313 |
+
What are generative and discriminative algorithms? What are their strengths and weaknesses? Which type of algorithms are usually used and why?”,Technical,,Data Scientist
|
| 314 |
+
What is the difference between XGboost and random forest?,Technical,,Data Scientist
|
| 315 |
+
What is variance in a model?,Technical,,Data Scientist
|
| 316 |
+
Is a decision tree model best for predicting if a borrower will pay back a personal loan? How would you evaluate performance of the model?,Technical,,Data Scientist
|
| 317 |
+
"What would you do if 20% of the 100,000 sold listings are missing square footage data. You want to predict price.",Technical,,Data Engineer
|
| 318 |
+
What is gradient descent?,Technical,,Data Engineer
|
| 319 |
+
What are the assumptions of linear regression?,Technical,,Data Engineer
|
| 320 |
+
How do you detect and handle correlation between variables in linear regression?,Technical,,Data Engineer
|
| 321 |
+
Write a function to generate N samples from a normal distribution and plot the histogram. You may omit the plot to test your code.,Technical,,Data Engineer
|
| 322 |
+
Write a function shortest_transformation to find the length of shortest transformation sequence from begin_word to end_word through the elements of word_list.,Technical,,Data Engineer
|
| 323 |
+
Write a function to determine the TF (term_frequency) values for each term of this document.,Technical,,Data Engineer
|
| 324 |
+
Explain Data Science.,Technical,,Data Engineer
|
| 325 |
+
Differentiate between supervised and unsupervised learning.,Technical,,Data Engineer
|
| 326 |
+
What are the types of selection bias?,Technical,,Data Engineer
|
| 327 |
+
Why do we use a summary function?,Technical,,Data Engineer
|
| 328 |
+
What is pruning?,Technical,,Data Engineer
|
| 329 |
+
What is Linear Regression?,Technical,,Data Engineer
|
| 330 |
+
Explain the drawbacks of a linear model.,Technical,,Data Engineer
|
| 331 |
+
Tell us something about AWS.,Technical,,Data Engineer
|
| 332 |
+
Was there any time when you had to deal with ambiguity?,Technical,,Data Engineer
|
| 333 |
+
Have you ever worked in a team? ,Technical,,Data Engineer
|
| 334 |
+
Which project have you worked on?,Technical,,Data Engineer
|
| 335 |
+
How do you plan your time management strategies?,Technical,,Data Engineer
|
| 336 |
+
What is a confusion matrix?,Technical,,Data Engineer
|
| 337 |
+
Describe Markov Chains.,Technical,,Data Engineer
|
| 338 |
+
What is a true positive rate and a false-positive rate?,Technical,,Data Engineer
|
| 339 |
+
What is dimensionality reduction?,Technical,,Data Engineer
|
| 340 |
+
How do you find the RMSE and MSE linear regression models?,Technical,,Data Engineer
|
| 341 |
+
Briefly describe the Decision Tree Algorithm.,Technical,,Data Engineer
|
| 342 |
+
What are Entropy and information gained in the Decision Tree Algorithm?,Technical,,Data Engineer
|
| 343 |
+
Differentiate between Regression and classification ML techniques.,Technical,,Data Engineer
|
| 344 |
+
What are Recommender Systems?,Technical,,Data Engineer
|
| 345 |
+
How can outlier values be treated?,Technical,,Data Engineer
|
| 346 |
+
What are the various steps in an analytics project?,Technical,,Data Engineer
|
| 347 |
+
"During analysis, how do you treat missing values?",Technical,,Data Engineer
|
| 348 |
+
How will you define the number of clusters in a clustering algorithm?,Technical,,Data Engineer
|
| 349 |
+
Describe Ensemble learning.,Technical,,Data Engineer
|
| 350 |
+
How do you work towards a random forest?,Technical,,Data Engineer
|
| 351 |
+
What is the difference between Machine Learning and Deep Learning?,Technical,,Data Engineer
|
| 352 |
+
Define reinforcement learning.,Technical,,Data Engineer
|
| 353 |
+
What is the structure of an Artificial Neural Network?,Technical,,Data Engineer
|
| 354 |
+
Explain Cost Function.,Technical,,Data Engineer
|
| 355 |
+
Explain Neural Network fundamentals.,Technical,,Data Engineer
|
| 356 |
+
Describe Neural Networks.,Technical,,Data Engineer
|
| 357 |
+
What are Hyperparameters?,Technical,,Data Engineer
|
| 358 |
+
"Differentiate between Epoch, Batch, and Iteration in Deep Learning.",Technical,,Data Engineer
|
| 359 |
+
What are the different layers on CNN?,Technical,,Data Engineer
|
| 360 |
+
How does Pooling work on CNN?,Technical,,Data Engineer
|
| 361 |
+
Explain how the LSTM network works.,Technical,,Data Engineer
|
| 362 |
+
Define the Gradient Descent.,Technical,,Data Engineer
|
| 363 |
+
What are exploding gradients?,Technical,,Data Engineer
|
| 364 |
+
What are vanishing gradients?,Technical,,Data Engineer
|
| 365 |
+
Describe JOINs and SQL.,Technical,,Data Engineer
|
| 366 |
+
What is the most advanced query you've ever written?,Technical,,Data Engineer
|
| 367 |
+
White a SQL code to explain the month-to-month user retention?,Technical,,Data Engineer
|
| 368 |
+
"You are given a list of integers, and you need to find a certain element. Which algorithm will you use?",Technical,,Data Engineer
|
| 369 |
+
Which algorithm would you use to search a long list for the four elements if you have a long and short sorted list?,Technical,,Data Engineer
|
| 370 |
+
Write a Python function that displays first N Fibonacci numbers.,Technical,,Data Engineer
|
| 371 |
+
What are the processes of improving a classification model of low precision?,Technical,,Data Engineer
|
| 372 |
+
You are given time-series data by the month with large data records. How will you find differences between this month and the previous month?,Technical,,Data Engineer
|
| 373 |
+
How do you inspect missing data?,Technical,,Data Engineer
|
| 374 |
+
When is the missing data inspection important?,Technical,,Data Engineer
|
| 375 |
+
How does a logistic regression model know what the coefficients are?,Technical,,Data Engineer
|
| 376 |
+
Difference between convex and non-convex cost function; what does it mean when a cost function is non-convex?,Technical,,Data Engineer
|
| 377 |
+
Is random weight assignment better than assigning the same weights to the units in the hidden layer?,Technical,,Data Engineer
|
| 378 |
+
"Given a bar plot and imagine you are pouring water from the top, how to qualify how much water can be kept in the bar chart?",Technical,,Data Engineer
|
| 379 |
+
What is Overfitting?,Technical,,Data Engineer
|
| 380 |
+
How would the change of prime membership fee affect the market?,Technical,,Data Engineer
|
| 381 |
+
Why is gradient checking important?,Technical,,Data Engineer
|
| 382 |
+
"Describe Tree, SVM, Random forest and boosting. Talk about their advantages and disadvantages.",Technical,,Data Engineer
|
| 383 |
+
Explain the math behind the principal component analysis,Technical,,Data Engineer
|
| 384 |
+
How would you deal with unbalanced data where the ratio of positive and negative is huge?,Technical,,Data Engineer
|
| 385 |
+
Write a python function that displays the first n Fibonacci numbers.,Technical,,Data Engineer
|
| 386 |
+
"Given a large string and a smaller string, write a code to determine if the smaller string can be generated from letters of the larger string.",Technical,,Data Engineer
|
| 387 |
+
"The probability that an item is at location A is 0.6, and 0.8 at location B. What is the probability that the item would be found on the Amazon website?",Technical,,Data Engineer
|
| 388 |
+
Implement the union and intersection of two arrays (in an efficient way). Note that elements of the two given arrays may be repeated but cannot be repeated in union and intersection arrays.,Technical,,Data Engineer
|
| 389 |
+
You have two files in HDFS. One has a date range with two columns: Start date and End date. Another file has two columns with Date and number of visitors fields. Write Spark code that gives the date range with the most number of visitors.,Technical,,Data Engineer
|
| 390 |
+
Implement a circular queue using an array.,Technical,,Data Engineer
|
| 391 |
+
What’s the difference between Lasso and Ridge Regression?,Technical,,Data Engineer
|
| 392 |
+
"When users are navigating through the Amazon website, they are performing many actions, clicking on buttons, doing searches, etc. What is the best way to model the front end of the website if their next action would be a purchase?",Technical,,Data Engineer
|
| 393 |
+
How does K-means work? What kind of distance metric would you choose? What if different features have different dynamic ranges?,Technical,,Data Engineer
|
| 394 |
+
What are generative and discriminative algorithms? What are their strengths and weaknesses? Which type of algorithms are usually used and why?,Technical,,Data Engineer
|
| 395 |
+
How would you modify a table with over a billion rows?,Technical,,Data Engineer
|
| 396 |
+
Give an instance of a project when you were on a short deadline and you finished it.,Technical,,Data Engineer
|
| 397 |
+
How do you determine the depth of a neural network?,Technical,,Data Engineer
|
| 398 |
+
Can you describe how to perform spiral printing of a matrix?,Technical,,Data Engineer
|
| 399 |
+
How do you conduct tests when the data is skewed?,Technical,,Data Engineer
|
| 400 |
+
"What are convex and non-convex cost functions, and what are their differences?",Technical,,Data Engineer
|
| 401 |
+
Explain overfitting,Technical,,Data Engineer
|
| 402 |
+
"Do you think changing the prime membership fee will change the market? If yes, how?",Technical,,Data Engineer
|
| 403 |
+
Difference between CHAR and VARCHAR in MySQL ,Technical,,Data Engineer
|
| 404 |
+
How do you differentiate between Oracle and MySQL? ,Technical,,Data Engineer
|
| 405 |
+
How to test for NULL values in a database?,Technical,,Data Engineer
|
| 406 |
+
Write a SQL code to explain month to month user retention rate.,Technical,,Data Engineer
|
| 407 |
+
What is a foreign key? How to implement the same in MySQL?,Technical,,Data Engineer
|
| 408 |
+
What are Database White Box Testing & Black Box Testing?,Technical,,Data Engineer
|
| 409 |
+
Describe different JOINs in SQL.,Technical,,Data Engineer
|
| 410 |
+
"Given a table with three columns (id, category, value) and each id has three or fewer categories (price, size, colour). How can you find those IDs for which the value of two or more categories match one another? ",Technical,,Data Engineer
|
| 411 |
+
"Given a CSV file with ID and Quantity columns, 50 million records, and the size of the data is 2gig, write a program to aggregate the QUANTITY column.",Technical,,Data Engineer
|
| 412 |
+
Which drivers are necessary for MySQL?,Technical,,Data Engineer
|
| 413 |
+
What is a trigger in MySQL? How can we use it?,Technical,,Data Engineer
|
| 414 |
+
How can we run MySQL in batch mode?,Technical,,Data Engineer
|
| 415 |
+
What are the various types of tables present in Mysql?,Technical,,Data Engineer
|
| 416 |
+
How can you convert timestamps to date time in MySQL?,Technical,,Data Engineer
|
| 417 |
+
How to import and export MySQL databases?,Technical,,Data Engineer
|
| 418 |
+
What is lstm? How & Why was lstm used in your experience?,Technical,,Data Engineer
|
| 419 |
+
What are Recommender Systems?,Technical,,Data Engineer
|
| 420 |
+
What did you use to remove multicollinearity? Explain what values of VIF you used.,Technical,,Data Engineer
|
| 421 |
+
Explain different time series and analysis models. What are some time series models other than Arima?,Technical,,Data Engineer
|
| 422 |
+
What is the p-value?,Technical,,Data Engineer
|
| 423 |
+
What is the maximum likelihood of getting k heads when you tossed a coin n times? ,Technical,,Data Engineer
|
| 424 |
+
There are 4 white balls and 2 green balls. What’s the probability of them not being the same in the 2 picks?,Technical,,Data Engineer
|
| 425 |
+
How would you explain hypothesis testing for a newbie?,Technical,,Data Engineer
|
| 426 |
+
What is cross-validation?,Technical,,Data Engineer
|
| 427 |
+
How do you interpret OLS regression results?,Technical,,Data Engineer
|
| 428 |
+
Explain confidence intervals,Technical,,Data Engineer
|
| 429 |
+
Name the five assumptions of linear regression.,Technical,,Data Engineer
|
| 430 |
+
"Estimate the disease probability in one city given the probability is very low nationwide. Randomly asked 1000 people in this city, with all negative responses (NO disease). What is the probability of disease in this city?",Technical,,Data Engineer
|
| 431 |
+
What is the difference between linear regression and a t-test?,Technical,,Data Engineer
|
| 432 |
+
"How would you apply machine learning to predict whether customers will churn based on their historical purchase data, browsing behavior, and customer support interactions? ",Technical,,Data Engineer
|
| 433 |
+
"Describe your understanding of SQL basic concepts such as Primary/Foreign Key, Joins, Union/Union All. Write SQL queries involving JOINs across 2-3 tables, Aggregation, Subqueries, Window functions, and CTEs (Leetcode- Easy and Medium). Explain statistical concepts and business metrics you have used in previous projects, KPIs you have built for analyzing data, strategies and tools to compare products, and how you would approach situation-based questions to improve efficiency and reduce query run time.",Technical,,Data Engineer
|
| 434 |
+
Explain how you would use advanced SQL techniques to identify consecutive numbers and segregate absent and present dates.,Technical,,Data Engineer
|
| 435 |
+
How do you join tables in SQL? Explain the types of joins and provide examples.,Technical,,Data Engineer
|
| 436 |
+
"What is the difference between Tableau, Power BI, and other BI tools? Do you have any knowledge of Machine Learning?",Technical,,Data Engineer
|
| 437 |
+
"Describe how you would use Excel to perform tasks involving Pivot Tables, VLOOKUP, and Filters. Provide examples.",Technical,,Data Engineer
|
| 438 |
+
How would you forecast pricing for this particular model of TV based on this sales data from last year?,Technical,,Data Engineer
|
| 439 |
+
Explain the differences between linear regression and logistic regression. What are R-squared and P-value? Provide an example SQL query.,Technical,,Data Engineer
|
| 440 |
+
What kind of metrics do you want to monitor when you are taking charge of evaluating the business performance of an outbound warehouse?,Technical,,Data Engineer
|
| 441 |
+
What are ways to eliminate bottlenecks?,,,
|
| 442 |
+
Questions,Type,Role
|
| 443 |
+
"Describe the difference between L1 and L2 regularization, specifically in regards to the difference in their impact on the model training process.",ML,Data Scientist
|
| 444 |
+
What is the meaning and calculation of ACF and PACF?,ML,Data Scientist
|
| 445 |
+
How would you design a client-server model where the client must send location data every minute?,ML,Data Scientist
|
| 446 |
+
Write a function to detect if a binary tree is a mirror image on both the left and right sub-trees.,ML,Data Scientist
|
| 447 |
+
Let’s say you have a time series dataset grouped monthly for the past five years. How would you find out if the difference between this month and the previous month was significant or not?,ML,Data Scientist
|
| 448 |
+
How does XGBoost handle the bias-variance trade-off?,ML,Data Scientist
|
| 449 |
+
"Suppose you have 100,000 files spread across multiple servers and you wanted to process all of them? How would you do that in Hadoop?",ML,Data Scientist
|
| 450 |
+
"Given a list of integers, find the index at which the sum of the left half of the list is equal to the right half.",ML,Data Scientist
|
| 451 |
+
"Given a table of user logs with platform information, count the number of daily active users on each platform for the year of 2020.",ML,Data Scientist
|
| 452 |
+
"Write a query to prove if users who interact on the website (likes, comments) convert towards purchasing at a higher volume than users who do not interact.",SQL,Data Scientist
|
| 453 |
+
How would you approach solving a real-world problem using data science at Apple?,Technical Analysis,Data Scientist
|
| 454 |
+
"Can you discuss a challenging data analysis problem you've faced in the past, and how you successfully addressed it?",Technical Analysis,Data Scientist
|
| 455 |
+
"Apple is known for its focus on user privacy. How would you ensure the ethical use of data in your data science projects, keeping user privacy in mind?",Technical Analysis,Data Scientist
|
| 456 |
+
Explain the differences between supervised and unsupervised learning. Provide examples of scenarios where each type of learning would be applicable.,Technical Analysis,Data Scientist
|
| 457 |
+
How do you handle missing data in a dataset? Can you discuss different imputation techniques and when to use them?,Technical Analysis,Data Scientist
|
| 458 |
+
Apple products generate vast amounts of data. How would you approach handling and analyzing large datasets efficiently?,Technical Analysis,Data Scientist
|
| 459 |
+
"Describe a situation where feature engineering played a crucial role in improving the performance of a machine learning model. What features did you engineer, and why?",Technical Analysis,Data Scientist
|
| 460 |
+
Apple is focused on delivering a seamless user experience. How can data science contribute to enhancing user experience in Apple products and services?,Technical Analysis,Data Scientist
|
| 461 |
+
Explain the concept of overfitting in machine learning. What techniques would you use to prevent or mitigate overfitting in a model?,Technical Analysis,Data Scientist
|
| 462 |
+
How would you design and implement an A/B test to evaluate the impact of a new feature on user engagement in an Apple product?,Technical Analysis,Data Scientist
|
| 463 |
+
Apple places a high value on innovation. Can you discuss a project where you applied innovative approaches to solve a data science problem?,Technical Analysis,Data Scientist
|
| 464 |
+
"Explain the term ""bias"" in the context of machine learning. How can bias be addressed or minimized in data-driven decision-making processes?",Technical Analysis,Data Scientist
|
| 465 |
+
Apple's products are used globally. How would you approach analyzing and interpreting data from diverse cultural and demographic perspectives?,Technical Analysis,Data Scientist
|
| 466 |
+
Discuss your experience with natural language processing (NLP) and how it could be applied to improve Apple's Siri or other language-related features.,Technical Analysis,Data Scientist
|
| 467 |
+
Apple is known for its commitment to sustainability. How might data science be utilized to measure and reduce the environmental impact of Apple products and services?,Technical Analysis,Data Scientist
|
| 468 |
+
How do you handle missing data in Python?,Technical Analysis,Data Scientist
|
| 469 |
+
Explain the difference between a list and a tuple in Python.,Technical Analysis,Data Scientist
|
| 470 |
+
Implement a binary search algorithm.,Technical Analysis,Data Scientist
|
| 471 |
+
Discuss the time complexity of different sorting algorithms.,Technical Analysis,Data Scientist
|
| 472 |
+
Write a SQL query to find the second highest salary from a table.,Technical Analysis,Data Scientist
|
| 473 |
+
Explain the difference between inner join and outer join.,Technical Analysis,Data Scientist
|
| 474 |
+
Explain the difference between supervised and unsupervised learning.,Technical Analysis,Data Scientist
|
| 475 |
+
How do you handle overfitting in a machine learning model?,Technical Analysis,Data Scientist
|
| 476 |
+
What are the different joins in SQL?,Technical Analysis,Data Scientist
|
| 477 |
+
Is it possible to roll back after using the ALTER command?,Technical Analysis,Data Scientist
|
| 478 |
+
What are the major differences between the Truncate and Drop commands?,Technical Analysis,Data Scientist
|
| 479 |
+
Explain the purpose of SELECT and FROM statements.,Technical Analysis,Data Scientist
|
| 480 |
+
What would you suggest for the improvement of Siri?,Technical Analysis,Data Scientist
|
| 481 |
+
How would you check the completeness of a given binary tree?,Technical Analysis,Data Scientist
|
| 482 |
+
Write a program to check whether any permutation of a given string is a palindrome?,Technical Analysis,Data Scientist
|
| 483 |
+
Write a function contains_cycle() that indicates whether the list contains a cycle by taking the first node in a singly-linked list and returning a boolean. ,Technical Analysis,Data Scientist
|
| 484 |
+
"Given a positive integer and target, write a program to print the possible combinations of positive integers whose sum is the target number.",Technical Analysis,Data Scientist
|
| 485 |
+
"For a given list of intervals, merge the overlapping intervals and give a list with only mutually exclusive intervals.",Technical Analysis,Data Scientist
|
| 486 |
+
Explain event-driven programming with an example in C.,Technical Analysis,Data Scientist
|
| 487 |
+
How would you test whether a high-order bit is set in a byte?,Technical Analysis,Data Scientist
|
| 488 |
+
"Given the root node of a binary tree, write a program to switch the 'left' and 'right' children for each node.",Technical Analysis,Data Scientist
|
| 489 |
+
Does adding an outlier change the mean or median more?,Technical Analysis,Data Scientist
|
| 490 |
+
Can you explain recursion and dynamic programming?,Technical Analysis,Data Scientist
|
| 491 |
+
Can you write SQL code to merge 2 datasets by a specific variable?,Technical Analysis,Data Scientist
|
| 492 |
+
What segmentation techniques have you used?,Technical Analysis,Data Scientist
|
| 493 |
+
How to deal with NaN and null values in Tableau?,Technical Analysis,Data Scientist
|
| 494 |
+
How to return first names from a column using the str.split function in Python?,Technical Analysis,Data Scientist
|
| 495 |
+
How to find rows starting with the letter 'H' in SQL?,Technical Analysis,Data Scientist
|
| 496 |
+
How to create a DataFrame in Python?,Technical Analysis,Data Scientist
|
| 497 |
+
Can you explain penalized regression?,Technical Analysis,Data Scientist
|
| 498 |
+
Debate the differences between Bayesian and Frequentist Statistics.,Technical Analysis,Data Scientist
|
| 499 |
+
Describe what a confidence interval is.,Technical Analysis,Data Scientist
|
| 500 |
+
What metrics can be used to evaluate a model?,Technical Analysis,Data Scientist
|
| 501 |
+
"How would you count daily active users on each platform (ipad, iphone, mac) using a table of user log data?",Technical Analysis,Data Scientist
|
| 502 |
+
Can you describe the difference between KNN and K Nearest Neighbor?,Technical Analysis,Data Scientist
|
| 503 |
+
Can you find the index at which the sum of the left half of the array is equal to the right half?,Technical Analysis,Data Scientist
|
| 504 |
+
How do you calculate sample size?,Technical Analysis,Data Scientist
|
| 505 |
+
Explain the Propensity Model and how beta estimates are calculated using Maximum Likelihood Estimation.,Technical Analysis,Data Scientist
|
| 506 |
+
Define ACF and PACF. Explain how they are calculated and their significance in time series analysis.,Technical Analysis,Data Scientist
|
| 507 |
+
Can you explain the Bias-Variance tradeoff and ways to check overfitting of a model?,Technical Analysis,Data Scientist
|
| 508 |
+
What statistics related topics like PDF and CDF may be asked?,Technical Analysis,Data Scientist
|
| 509 |
+
Can you write a Python code to find anagrams in a list and print out the list of anagrams?,Technical Analysis,Data Scientist
|
| 510 |
+
How does XGBoost handle bias-variance tradeoff?,Technical Analysis,Data Scientist
|
| 511 |
+
How to store a JSON file and load JSON data?,Technical Analysis,Data Scientist
|
| 512 |
+
Can you describe in detail the difference between L1 and L2 regularization and how they impact the model training process?,Technical Analysis,Data Scientist
|
| 513 |
+
Can you explain the concept of set cover?,Technical Analysis,Data Scientist
|
| 514 |
+
Write an SQL query to find how many accounts have performed a login in the year 2016?,Technical Analysis,Data Scientist
|
| 515 |
+
How is the value k selected in k-means clustering?,Technical Analysis,Data Scientist
|
| 516 |
+
How do you calculate the F1 score and what does it mean?,Technical Analysis,Data Scientist
|
| 517 |
+
Design an algorithm to predict customer churn,Technical Analysis,Data Scientist
|
| 518 |
+
Count the number of user events performed by MacBookPro users,Technical Analysis,Data Scientist
|
| 519 |
+
How is the value k selected in k-means clustering?,Technical Analysis,Data Scientist
|
| 520 |
+
Find the index at which the sum of the left half of array is equal to the right half.,Technical Analysis,Data Scientist
|
| 521 |
+
"How do you take millions of users with 100s of transactions each, amongst 10ks of products and group the users together in meaningful segments?",Technical Analysis,Data Scientist
|
| 522 |
+
Could you explain the difference between 'where' and 'having' filters in sql?,SQL,Data Scientist
|
| 523 |
+
What is the difference between 'WHERE' and 'HAVING'?,SQL,Data Scientist
|
| 524 |
+
Can you write an algorithm for a perfect binary tree?,Technical Analysis,Data Scientist
|
| 525 |
+
Will you utilize Hadoop for distributed data storage?,Technical Analysis,Data Scientist
|
| 526 |
+
How would you derive a confidence interval from a series of coin tosses?,Technical Analysis,Data Scientist
|
| 527 |
+
Can you explain data mining and aggregations?,Technical Analysis,Data Scientist
|
| 528 |
+
How do you acquire and check data validity from various situations?,Technical Analysis,Data Scientist
|
| 529 |
+
What steps are involved in creating a dashboard in Tableau?,Technical Analysis,Data Scientist
|
| 530 |
+
What is the difference between Extract and Live in Tableau?,Technical Analysis,Data Scientist
|
| 531 |
+
"What factors should be used in generating a forecast for an item, and what should be the process of generation?",Technical Analysis,Data Scientist
|
| 532 |
+
What is a xyz in Tableau and what does it do?,Technical Analysis,Data Scientist
|
| 533 |
+
How would you identify and address potentially under-performing predictive models in a production environment?,Technical Analysis,Data Scientist
|
| 534 |
+
How would you diagnose and resolve issues when a business intelligence report breaks in a production environment?,Technical Analysis,Data Scientist
|
| 535 |
+
Questions,Type,Role
|
| 536 |
+
Design a dashboard to highlight a certain aspect of the user behavior.,Product Sense Type ,Data Engineer
|
| 537 |
+
How do you calculate unique logins by a user on facebook.com?,Product Sense Type ,Data Engineer
|
| 538 |
+
How would you rate the popularity of a video posted online?,Product Sense Type ,Data Engineer
|
| 539 |
+
How would you check if Facebook should change something in the newsfeed? How would you define the KPI in this case?,Product Sense Type ,Data Engineer
|
| 540 |
+
Design an experiment to test whether a certain feature generates conversation.,Product Sense Type ,Data Engineer
|
| 541 |
+
Present a design of a gaming company database.,Data Modeling Type,Data Engineer
|
| 542 |
+
Design a database for an app.,Data Modeling Type,Data Engineer
|
| 543 |
+
Design a relational database for a ride-sharing app.,Data Modeling Type,Data Engineer
|
| 544 |
+
"Given data, design a table schema for this data to be used by a data scientist to query metrics such as process with max average elapsed time, and so they can plot each process.",Data Modeling Type,Data Engineer
|
| 545 |
+
Create DDL (table and foreign keys) for several tables in a provided ERD. The ERD contains at least one many-to-many relationship.,Data Modeling Type,Data Engineer
|
| 546 |
+
"Design a database schema for an app which provides a ride-sharing service, explain which tables, field types, and keys will need to be saved.",Data Modeling Type,Data Engineer
|
| 547 |
+
How do you join two tables with all the information on the left one unchanged?,SQL Type,Data Engineer
|
| 548 |
+
Does database view occupy the disk space?,SQL Type,Data Engineer
|
| 549 |
+
"Given full authority to ""make it work"", import a large data set with duplicates into a warehouse while meeting the requirements of a business intelligence designer for query speed.",SQL Type,Data Engineer
|
| 550 |
+
Find the top 10 colleges/companies that an average social person interacts with.,SQL Type,Data Engineer
|
| 551 |
+
The ORDER BY command in SQL is automatically set in what format if you didn't set it: Ascending or Descending?,SQL Type,Data Engineer
|
| 552 |
+
"When you want to delete or add a column of a table in a database, what command will you use?",SQL Type,Data Engineer
|
| 553 |
+
What command would you want to use if you want to keep all the info on the left table?,SQL Type,Data Engineer
|
| 554 |
+
"If you want to combine two columns after removing two duplicates, would you use UNION or UNION ALL?",SQL Type,Data Engineer
|
| 555 |
+
What is the term used to select non-duplicates in SQL?,SQL Type,Data Engineer
|
| 556 |
+
"Given a raw data table, how would you write the SQL to perform the ETL to get data into a desired format?",SQL Type,Data Engineer
|
| 557 |
+
Perform a merge-sort with SQL only.,SQL Type,Data Engineer
|
| 558 |
+
A table has two data entries every day for # of apples and oranges sold. Write a query to get the difference between the apples and oranges sold on a given day.,SQL Type,Data Engineer
|
| 559 |
+
Given a database schema showing product sales: calculate what percent of our sales transactions had a valid promotion applied. And what % of sales happened on the first and last day of the promotion?,SQL Type,Data Engineer
|
| 560 |
+
Display the most common name in a table.,SQL Type,Data Engineer
|
| 561 |
+
"Write a query that returns product_family, units_sold, percentage of promoted.",SQL Type,Data Engineer
|
| 562 |
+
Write a query that returns percentage of unsold product_category.,SQL Type,Data Engineer
|
| 563 |
+
Write a function to count the number of times each character appears in a string and rewrite the string in that format.,SQL Type,Data Engineer
|
| 564 |
+
"Given a table of users and whom they sent friend requests to, what is the average number of friend requests sent in the last week?",SQL Type,Data Engineer
|
| 565 |
+
Given a schema progressively ask SQL queries ranging from basic to window functions.,SQL Type,Data Engineer
|
| 566 |
+
"Given a two-dimensional list, for example [ [2,3],[3,4],[5]] person 2 is friends with 3 etc, find how many friends each person has. Note, one person has no friends.",Coding Type,Data Engineer
|
| 567 |
+
"Can you do the following without using subquery?: {1,None,1,2,None} --> [1,1,1,2,2] Ensure you take care of case input[None] which means None object.",Coding Type,Data Engineer
|
| 568 |
+
"Complete a function that returns a list containing all the mismatched words (case sensitive) between two given input strings # For example: # - string 1: ""Firstly this is the first string"" # - string 2: ""Next is the second string"" # # - output : ['Firstly', 'this', 'first', 'Next', 'second'].",Coding Type,Data Engineer
|
| 569 |
+
Complete a function that returns the number of times a given character occurs in the given string.,Coding Type,Data Engineer
|
| 570 |
+
# For example:,Coding Type,Data Engineer
|
| 571 |
+
"# - input string = ""mississippi""",Coding Type,Data Engineer
|
| 572 |
+
"# - char = ""s""",Coding Type,Data Engineer
|
| 573 |
+
#,Coding Type,Data Engineer
|
| 574 |
+
# - output : 4,Coding Type,Data Engineer
|
| 575 |
+
"Given an array containing None values fill in the None values with most recent non None value in the array. For example: input array: [1,None,2,3,None,None,5,None] # - output array: [1,1,2,3,3,3,5,5].",Coding Type,Data Engineer
|
| 576 |
+
"Complete a function that returns a list containing all the mismatched words (case sensitive) between two given input strings # For example: string 1: ""Firstly this is the first string"" # - string 2: ""Next is the second string"" # # - output : ['Firstly', 'this', 'first', 'Next', 'second'].",Coding Type,Data Engineer
|
| 577 |
+
"Given an array of integers, we would like to determine whether the array is monotonic (non-decreasing/non-increasing) or not. Examples:",Coding Type,Data Engineer
|
| 578 |
+
// 1 2 5 5 8 ,Coding Type,Data Engineer
|
| 579 |
+
// true ,Coding Type,Data Engineer
|
| 580 |
+
// 9 4 4 2 2 ,Coding Type,Data Engineer
|
| 581 |
+
// true ,Coding Type,Data Engineer
|
| 582 |
+
// 1 4 6 3 ,Coding Type,Data Engineer
|
| 583 |
+
// false ,Coding Type,Data Engineer
|
| 584 |
+
//1 1 1 1 1 1,Coding Type,Data Engineer
|
| 585 |
+
// true,Coding Type,Data Engineer
|
| 586 |
+
"Given two sentences, construct an array that has the words that appear in one sentence and not the other.",Coding Type,Data Engineer
|
| 587 |
+
"Given an IP address as an input string, validate it and return True/False.",Coding Type,Data Engineer
|
| 588 |
+
Count the neighbors of each node in a graph. Input graph is a multi-dimensional list.,Coding Type,Data Engineer
|
| 589 |
+
"Given a dictionary, print the key for nth highest value present in the dict. If there are more than 1 record present for nth highest value then sort the key and print the first one.",Coding Type,Data Engineer
|
| 590 |
+
Flatten a nested dictionary.,Coding Type,Data Engineer
|
| 591 |
+
"You have a 2-D array of friends like [[A,B],[A,C],[B,D],[B,C],[R,M], [S],[P], [A]]. Write a function that creates a dictionary of how many friends each person has. People can have 0 to many friends. However, there won't be repeat relationships like [A,B] and [B,A] and neither will there be more than 2 people in a relationship.",Coding Type,Data Engineer
|
| 592 |
+
What is a loop that goes on forever?,Coding Type,Data Engineer
|
| 593 |
+
Recursively parse a string for a pattern that can be either 1 or 2 characters long.,Coding Type,Data Engineer
|
| 594 |
+
Write a simple spell-checking engine.,Coding Type,Data Engineer
|
| 595 |
+
"Given two sentences, you have to print the words that are not present in either of the sentences. (If one word is present twice in 1st sentence but not present in 2nd sentence then you have to print that word too).",Coding Type,Data Engineer
|
| 596 |
+
Write a function to count the number of times each character appears in a string and rewrite the string in that format.,Coding Type,Data Engineer
|
| 597 |
+
Match all words in a document against a name dictionary and anonymize them using a hash.,Coding Type,Data Engineer
|
| 598 |
+
Tell me about yourself.,Ownership Type,Data Engineer
|
| 599 |
+
Tell me about a challenge you faced and how you overcame it.,Ownership Type,Data Engineer
|
| 600 |
+
Why data engineering?,Ownership Type,Data Engineer
|
| 601 |
+
Why Meta?,Ownership Type,Data Engineer
|
| 602 |
+
Tell me about a project you have worked on.,Ownership Type,Data Engineer
|
| 603 |
+
Describe a situation where you did not agree with the stakeholders. How did you handle it?,Ownership Type,Data Engineer
|
| 604 |
+
What product would you want to most work on and why? What would you do if you worked on that project?,Ownership Type,Data Engineer
|
| 605 |
+
What is the most challenging project that you have ever worked on?,Ownership Type,Data Engineer
|
| 606 |
+
"If you have conflicts with your manager, what would you do?",Ownership Type,Data Engineer
|
| 607 |
+
What are 3 things you want to accomplish in the first 3 months?,Ownership Type,Data Engineer
|
| 608 |
+
"On Instagram, the probability of a user watching a story to completion is 0.8. If a user posts a sequence of 4 stories, what is the probability that a viewer will watch all 4 stories? What about at least 2 stories?",Analytical Type,Data Engineer
|
| 609 |
+
What is the difference between Type I and Type II errors in hypothesis testing?,Analytical Type,Data Engineer
|
| 610 |
+
Say you roll a die three times. What is the probability of getting two sixes in a row?,Analytical Type,Data Engineer
|
| 611 |
+
"Can you explain what a p-value and confidence interval are, but in layman's terms?",Analytical Type,Data Engineer
|
| 612 |
+
"Explain the concept of covariance and correlation. How are they different, and what do they measure?",Analytical Type,Data Engineer
|
| 613 |
+
"A Facebook Ads analyst is investigating the effectiveness of a new ad targeting algorithm. As a general baseline, they know that 1% of all users who see an ad convert (make a purchase). The new algorithm correctly identifies 80% of users who will convert for an ad. The algorithm also incorrectly flags 10% of non-converting users as likely to convert. Given that the algorithm has flagged a user as likely to convert, what is the probability that this user will actually convert?",Analytical Type,Data Engineer
|
| 614 |
+
what data would you analyze to see if building this new product/feature is worth it?,Analytical reasoning ,Data Engineer
|
| 615 |
+
how would you design an A/B test for the new feature?,Analytical reasoning ,Data Engineer
|
| 616 |
+
what A/B testing pitfalls might you encounter?,Analytical reasoning ,Data Engineer
|
| 617 |
+
"what success metrics would you track, to see if this new feature is good?",Analytical reasoning ,Data Engineer
|
| 618 |
+
what guardrail or counter-metrics would you track?,Analytical reasoning ,Data Engineer
|
| 619 |
+
"if some key metric went up, but a different metric got worse, how would you determine whether to ship the feature?",Analytical reasoning ,Data Engineer
|
| 620 |
+
"if there suddenly was a drop in some key metric, how would you troubleshoot the root-cause of the metric change?",Analytical reasoning ,Data Engineer
|
| 621 |
+
Meta's mobile app is suddenly experiencing high bounce rates and low session durations. How would you troubleshoot this issue?,Analytical reasoning ,Data Engineer
|
| 622 |
+
"A user advocacy group raises concerns about the accessibility of Meta's platform for individuals with hearing disabilities. What are some product improvements that could be made with Facebook Live and Facebook videos? What metrics would you define, to see if your features had a positive impact?",Analytical reasoning ,Data Engineer
|
| 623 |
+
"Imagine you launched a feature to grow engagement of Facebook Groups. The Daily-Active-Users of groups goes up by 2%, but the average time-spent on Facebook Groups goes down by 3%. How would you determine if you should ship this feature?",Analytical reasoning ,Data Engineer
|
| 624 |
+
"Meta is trying to launch social shopping, similar to TikTok Shop. Without building a beta-test of the feature, how would you opportunity size the revenue impact from the feature?",Analytical reasoning ,Data Engineer
|
| 625 |
+
Imagine Meta is planning to launch a new video feature aimed at young adults. How would you assess the product-market fit and define success metrics to ensure resonance with the target demographic?,Analytical reasoning ,Data Engineer
|
| 626 |
+
"Meta's data science team is analyzing user engagement metrics for a new close-friends Reels tab. However, the data shows a significant drop in engagement rates shortly after the feature launch. How would you investigate the cause of the drop in user engagement, prioritize potential factors contributing to the decline, and propose data-driven strategies to address the issue?",Analytical reasoning ,Data Engineer
|
| 627 |
+
"Meta's advertising team is exploring ways to optimize ad targeting to increase revenue and improve ad relevance for users. However, ad click-through rates are lower than expected, indicating potential issues with targeting accuracy. How would you analyze user demographic and behavioral data to assess the effectiveness of ad targeting algorithms, and what strategies would you propose to improve targeting accuracy and ad performance?",Analytical reasoning ,Data Engineer
|
| 628 |
+
"Meta's product team is considering introducing a new feature that allows users to customize their profile settings. However, there are concerns about potential privacy implications and data security risks associated with the feature. How would you conduct a privacy impact assessment to evaluate the potential risks and benefits of implementing the new feature, and what analytical methods would you use to assess user privacy preferences and mitigate privacy concerns?",Analytical reasoning ,Data Engineer
|
| 629 |
+
"Meta's data science team is exploring ways to improve search relevance for users navigating its marketplace platform. However, search queries are returning irrelevant or inaccurate results, leading to frustration among users. How would you analyze user search queries and click-through behavior to identify issues with search relevance?",Analytical reasoning ,Data Engineer
|
| 630 |
+
"Meta's data science team is investigating the impact of algorithmic bias on content recommendations in its news feed. Users have reported instances of bias in recommended content, leading to concerns about fairness and diversity. How would you quantify and measure algorithmic bias in content recommendations, and what analytical techniques would you use to identify biased patterns and mitigate the impact of bias on user experience and content diversity?",Analytical reasoning ,Data Engineer
|
| 631 |
+
"The PM responsible for Facebook events has a new idea to drive engagement – when your friends mark that they'll attend an event, you will get a notification. How would you measure the success of this notification? What counter-metrics would you look at?",Analytical reasoning ,Data Engineer
|
| 632 |
+
The Instagram Monetization team would love to double the amount of ads shown on Instagram – it's the quickest way to nearly double revenue over-night. What do you think about this idea? How would you determine the optimal ad-load for Instagram?,Analytical reasoning ,Data Engineer
|
| 633 |
+
"Provided a table with user_id and the dates they visited the platform, find the top 100 users with the longest continuous streak of visiting the platform as of yesterday.",Technical Analysis,Data Engineer
|
| 634 |
+
"Provided a table with page_id, event timestamp, and an on/off status flag, find the number of pages that are currently on.",Technical Analysis,Data Engineer
|
| 635 |
+
"Given a database of posts and a database of comments on those posts, how do you determine how many conversations are happening in the comments per post on average?",Technical Analysis,Data Engineer
|
| 636 |
+
"You're given two tables. One contains the date, post_id, relationship (e.g. friend, group, page), and interaction (e.g. like, share, etc.). The second table contains post_id, and the ID of the person who posted. How many likes were made on friend posts yesterday?",Technical Analysis,Data Engineer
|
| 637 |
+
"What's the difference between a left join, a union, and a right join?",Technical Analysis,Data Engineer
|
| 638 |
+
"Using SQL, how would you provide a distribution of rolling 7-day average money spent per person, broken up into categories of purchase?",Technical Analysis,Data Engineer
|
| 639 |
+
"In SQL, how to combine two datasets while keeping all info?",Technical Analysis,Data Engineer
|
| 640 |
+
How can you pull the unique conversation events from a database in SQL?,Technical Analysis,Data Engineer
|
| 641 |
+
How to create a validation tool for Facebook Marketplace?,Technical Analysis,Data Engineer
|
| 642 |
+
There is an algorithm that rates posts on their likelihood of being spam. How would you check if the algorithm works?,DSA,Data Engineer
|
| 643 |
+
"Given a list, search for consecutive numbers (n) whose sum is equal to a specific number (x).",DSA,Data Engineer
|
| 644 |
+
"Given a list of people with things that they own, find the people who have common items and what they are.",DSA,Data Engineer
|
| 645 |
+
"Can you find the first login for a platform, given a list of users?",DSA,Data Engineer
|
| 646 |
+
How do you revert a string?,DSA,Data Engineer
|
| 647 |
+
How would you measure the success of a product?,Analytical Execution,Data Engineer
|
| 648 |
+
What KPIs would you use to measure the success of the newsfeed?,Analytical Execution,Data Engineer
|
| 649 |
+
How would you improve notifications?,Analytical Execution,Data Engineer
|
| 650 |
+
"Activity in Facebook user groups is down by 20%, what do you do?",Analytical Execution,Data Engineer
|
| 651 |
+
Friends acceptance rate decreases 15% after a new notifications system is launched - how would you investigate?,Analytical Execution,Data Engineer
|
| 652 |
+
"The notification product will launch a new feature. The feature is a new type of notification. When your friends attend an event, you will get a notification. How do you measure the success of this new feature?",Analytical Execution,Data Engineer
|
| 653 |
+
Imagine a product similar to Facebook Marketplace called Facebook Restaurants. Measure the success of this new feature.,Analytical Execution,Data Engineer
|
| 654 |
+
How would you measure the success of a newly released feature that is similar to the Facebook group chat?,Analytical Execution,Data Engineer
|
| 655 |
+
How would you build a 'restaurants you may like' recommender system on the news feed?,Analytical Execution,Data Engineer
|
| 656 |
+
How would you predict churn rate?,Analytical Execution,Data Engineer
|
| 657 |
+
"Given a table of data, how would you create a model to detect spam?",Analytical Execution,Data Engineer
|
| 658 |
+
How would you create a model to find bad sellers on FB Marketplace? How can you tell if your model is working?,Analytical Execution,Data Engineer
|
| 659 |
+
"You see ""average reels watched"" has dropped precipitously suddenly, how would you figure out what's happening?",Analytical Execution,Data Engineer
|
| 660 |
+
Explain the ETL process and its significance in data engineering.,Analytical Execution,Data Engineer
|
| 661 |
+
What is the difference between OLAP and OLTP? How does each relate to data engineering?,Analytical Execution,Data Engineer
|
| 662 |
+
Describe a situation where you had to optimize a slow-performing SQL query. What approach did you take?,Analytical Execution,Data Engineer
|
| 663 |
+
How do you handle schema changes in a database without disrupting data pipelines?,Analytical Execution,Data Engineer
|
| 664 |
+
Can you explain the concept of data partitioning and how it improves query performance in distributed databases?,Analytical Execution,Data Engineer
|
| 665 |
+
"What are some common challenges when dealing with big data, and how do you address them in your work?",Analytical Execution,Data Engineer
|
| 666 |
+
Walk me through the process of designing a data warehouse architecture.,Analytical Execution,Data Engineer
|
| 667 |
+
How do you ensure data quality and integrity in a data pipeline?,Analytical Execution,Data Engineer
|
| 668 |
+
"Explain the role of indexes in a database. When would you use them, and what considerations should be taken into account?",Analytical Execution,Data Engineer
|
| 669 |
+
Describe a scenario where you had to deal with unstructured data. How did you structure and analyze it for meaningful insights?,Analytical Execution,Data Engineer
|
| 670 |
+
"What is the importance of metadata in a data engineering context, and how do you manage it in your projects?",Analytical Execution,Data Engineer
|
| 671 |
+
Discuss the differences between batch processing and real-time processing in the context of data engineering.,Analytical Execution,Data Engineer
|
| 672 |
+
"How do you approach the task of data modeling, and what factors do you consider in choosing a particular data model for a given problem?",Analytical Execution,Data Engineer
|
| 673 |
+
Explain the concept of sharding in databases. When and why would you choose to implement sharding in a system?,Analytical Execution,Data Engineer
|
| 674 |
+
Describe a situation where you had to troubleshoot and resolve a data pipeline failure. What steps did you take to identify and fix the issue?,Analytical Execution,Data Engineer
|
| 675 |
+
You have a dataset of user activity on Meta. What analysis would you do to understand how user engagement has changed over time?,Analytical Execution,Data Engineer
|
| 676 |
+
Write an SQL query to retrieve the top 10 users by number of likes on their posts.,Analytical Execution,Data Engineer
|
| 677 |
+
"Given a dataset of user ratings for a set of products, how would you identify the most popular products?",Analytical Execution,Data Engineer
|
| 678 |
+
Explain the concept of A/B testing and how it can be used in data analysis.,Analytical Execution,Data Engineer
|
| 679 |
+
You have a dataset of user demographics and their activity on Meta. How would you use this data to help advertisers target specific groups of users?,Analytical Execution,Data Engineer
|
| 680 |
+
You are given a dataset of website traffic for a company's e-commerce site. How would you use this data to identify areas for improvement in the user experience?,Analytical Execution,Data Engineer
|
| 681 |
+
Write a Python script to calculate the correlation between two variables in a dataset.,Analytical Execution,Data Engineer
|
| 682 |
+
"Given a dataset of customer reviews for a restaurant, how would you identify the factors that are most important in determining overall customer satisfaction?",Analytical Execution,Data Engineer
|
| 683 |
+
You have a dataset of customer orders for an e-commerce site. How would you use this data to forecast future sales?,Analytical Execution,Data Engineer
|
| 684 |
+
"Explain the difference between precision and recall in the context of machine learning, and how they are used to evaluate model performance.",Analytical Execution,Data Engineer
|
| 685 |
+
Questions ,Type,Position
|
| 686 |
+
Explain your experience with A/B testing. How would you design and analyze an A/B test to determine the impact of a new feature on user engagement?,Analytical,Data Scientist
|
| 687 |
+
"Describe a time when you used machine learning to solve a business problem. What was the problem, and what approach did you take?",Analytical,Data Scientist
|
| 688 |
+
How do you handle missing data in a dataset? Can you provide an example of a method you’ve used and its impact on your analysis?,Analytical,Data Scientist
|
| 689 |
+
What techniques do you use for feature selection and why?,Analytical,Data Scientist
|
| 690 |
+
"Describe the process you would use to build a recommendation system for Netflix. What data would you use, and which algorithms might be effective?",Analytical,Data Scientist
|
| 691 |
+
Explain the difference between supervised and unsupervised learning. Can you provide examples of when you would use each?,Analytical,Data Scientist
|
| 692 |
+
How do you evaluate the performance of a predictive model? What metrics do you prefer and why?,Analytical,Data Scientist
|
| 693 |
+
Discuss a time when you had to communicate complex data insights to a non-technical audience. How did you ensure they understood your findings?,Analytical,Data Scientist
|
| 694 |
+
"What is your experience with big data technologies (e.g., Hadoop, Spark)? How have you used these tools in your past projects?",Analytical,Data Scientist
|
| 695 |
+
Can you explain the concept of overfitting? How can you prevent it when building a machine-learning model?,Analytical,Data Scientist
|
| 696 |
+
"Describe a situation where you had to clean and preprocess a large dataset. What challenges did you face, and how did you overcome them?",Analytical,Data Scientist
|
| 697 |
+
How would you go about identifying and addressing bias in a machine-learning model?,Analytical,Data Scientist
|
| 698 |
+
What is your experience with natural language processing (NLP)? Can you describe a project where you applied NLP techniques?,Analytical,Data Scientist
|
| 699 |
+
Explain how you would measure the success of a new content recommendation algorithm on Netflix. What metrics and methods would you use?,Analytical,Data Scientist
|
| 700 |
+
"Describe a situation where you had to make a trade-off between model complexity and interpretability. How did you handle it, and what was the outcome?",Analytical,Data Scientist
|
| 701 |
+
What do you know about A/B testing in the context of streaming?,Technical ,Data Scientist
|
| 702 |
+
"What are the differences between L1 and L2 regularization, why don’t people use L0.5 regularization for instance?",Technical ,Data Scientist
|
| 703 |
+
What is the difference between online and batch gradient descent?,Technical ,Data Scientist
|
| 704 |
+
What is the best way to communicate ML results to stakeholders?,Technical ,Data Scientist
|
| 705 |
+
Write the equation for building a classifier using Logistic Regression.,Technical ,Data Scientist
|
| 706 |
+
"Given a month’s worth of login data from Netflix such as account_id, device_id, and metadata concerning payments, how would you detect payment fraud?",Technical ,Data Scientist
|
| 707 |
+
How would you design an experiment for a new content recommendation model we’re thinking of rolling out? What metrics would matter?,Technical ,Data Scientist
|
| 708 |
+
Write SQL queries to find a time difference between two events.,Technical ,Data Scientist
|
| 709 |
+
How would you build and test a metric to compare two users’s ranked lists of movie/tv show preferences?,Technical ,Data Scientist
|
| 710 |
+
How would you select a representative sample of search queries from five million?,Technical ,Data Scientist
|
| 711 |
+
Why is Rectified Linear Unit a good activation function?,Technical ,Data Scientist
|
| 712 |
+
"If Netflix is looking to expand its presence in Asia, what are some factors that you can use to evaluate the size of the Asia market, and what can Netflix do to capture this market?",Technical ,Data Scientist
|
| 713 |
+
How would we approach to attribution modeling to measure marketing effectiveness?,Technical ,Data Scientist
|
| 714 |
+
How would you determine if the price of a Netflix subscription is truly the deciding factor for a consumer?,Technical ,Data Scientist
|
| 715 |
+
What do you mean by Pickling and Unpickling in python?,Technical ,Data Scientist
|
| 716 |
+
"If you want to comment multiple lines in Python, how would you do that?",Technical ,Data Scientist
|
| 717 |
+
What do you mean by docStrings?,Technical ,Data Scientist
|
| 718 |
+
What happens to memory whenever python exists?,Technical ,Data Scientist
|
| 719 |
+
Why do we use negative indexes in Python?,Technical ,Data Scientist
|
| 720 |
+
What is the difference between deep and shallow copy?,Technical ,Data Scientist
|
| 721 |
+
What do you mean by the term Monkey patching?,Technical ,Data Scientist
|
| 722 |
+
Write a program to produce a Fibonacci series in Python.,Technical ,Data Scientist
|
| 723 |
+
Which is better: Django or Python?,Technical ,Data Scientist
|
| 724 |
+
How would you interpret coefficients of logistic regression for categorical and boolean variables?,Technical ,Data Engineer
|
| 725 |
+
"Let’s say you have analytics data stored in a data lake. An analyst tells you they need hourly, daily, and weekly active user data for a dashboard that refreshes every hour. How would you build this data pipeline?",Technical ,Data Engineer
|
| 726 |
+
"What metrics would you prioritize to evaluate the effectiveness of Netflix’s recommendation algorithm, and how would you interpret the results?",Technical ,Data Engineer
|
| 727 |
+
"How would you design data models to support various analytical queries, such as understanding user engagement or content performance?",Technical ,Data Engineer
|
| 728 |
+
Describe the importance of data governance and metadata management in a large-scale data environment like Netflix.,Technical ,Data Engineer
|
| 729 |
+
Explain the differences between batch processing and streaming processing. When would you choose one over the other for processing Netflix’s user data?,Technical ,Data Engineer
|
| 730 |
+
Describe the importance of data indexing in optimizing query performance for analyzing large datasets at Netflix.,Technical ,Data Engineer
|
| 731 |
+
Explain the significance of data normalization in maintaining data integrity and consistency in Netflix’s database systems.,Technical ,Data Engineer
|
| 732 |
+
How would you design a data pipeline to ingest and process user interaction data from Netflix’s streaming service?,Technical ,Data Engineer
|
| 733 |
+
"How would you collect and aggregate data for multimedia information, specifically when it’s unstructured data from videos?",Technical ,Data Engineer
|
| 734 |
+
Write an SQL query to create a metric to recommend pages for each user based on recommendations from their friend’s liked pages.,Technical ,Data Engineer
|
| 735 |
+
Can you tell us about your experience with data warehousing and ETL processes?,Technical ,Data Engineer
|
| 736 |
+
How do you approach problem-solving in a data engineering context?,Technical ,Data Engineer
|
| 737 |
+
Can you walk us through a recent project you worked on and your role in the project?,Technical ,Data Engineer
|
| 738 |
+
" Can you explain your experience with Hadoop, Spark, or other big data technologies?",Technical ,Data Engineer
|
| 739 |
+
How do you stay up-to-date with the latest developments in the field of data engineering?,Technical ,Data Engineer
|
| 740 |
+
Can you describe a time when you had to work with a large and complex dataset?,Technical ,Data Engineer
|
| 741 |
+
Can you give an example of how you have optimized a data processing pipeline?,Technical ,Data Engineer
|
| 742 |
+
How do you ensure the data you work with is secure and confidential?,Technical ,Data Engineer
|
| 743 |
+
Can you tell us about a particularly challenging project you have worked on and how you overcame the challenges?,Technical ,Data Engineer
|
| 744 |
+
Can you tell us about your experience with data visualization and reporting tools?,Technical ,Data Engineer
|
| 745 |
+
Can you explain the basics of distributed systems and how they work?,Technical ,Data Engineer
|
| 746 |
+
"Can you describe a recent project you worked on involving data processing and analysis, and what technologies and tools you used?",Technical ,Data Engineer
|
| 747 |
+
"Can you explain the difference between a relational database and a NoSQL database, and give examples of when you would use each?",Technical ,Data Engineer
|
| 748 |
+
Can you write a SQL query to extract and analyse data from a database?,Technical ,Data Engineer
|
| 749 |
+
Can you explain how you would design and implement a scalable data storage solution for a growing dataset?,Technical ,Data Engineer
|
| 750 |
+
Can you explain how you would optimize a data processing pipeline for performance and efficiency?,Technical ,Data Engineer
|
| 751 |
+
Can you explain the basics of machine learning and give an example of a project you worked on using this technology?,Technical ,Data Engineer
|
| 752 |
+
Can you explain how you would handle data privacy and security concerns in a data storage and processing solution?,Technical ,Data Engineer
|
| 753 |
+
"Can you describe a recent challenge you faced in your work as a data engineer, and how you overcame it?",Technical ,Data Engineer
|
| 754 |
+
Can you explain how you keep up with the latest developments and trends in data engineering and related technologies?,Technical ,Data Engineer
|
| 755 |
+
Can you explain your experience with data modelling and how you have designed and optimized data models for different use cases?,Technical ,Data Engineer
|
| 756 |
+
How would you design a scalable and fault-tolerant data processing pipeline for large-scale data?,Technical ,Data Engineer
|
| 757 |
+
"Can you walk us through your experience with cloud computing, and how you have designed and deployed data processing applications on AWS or other cloud platforms?",Technical ,Data Engineer
|
| 758 |
+
How do you approach performance optimization in data processing and storage systems? Can you give an example of a performance optimization problem you faced and how you solved it?,Technical ,Data Engineer
|
| 759 |
+
Can you explain how you would implement a real-time recommendation engine that processes data from multiple sources and provides personalized recommendations to users?,Technical ,Data Engineer
|
| 760 |
+
How do you handle data quality issues in your data processing pipelines? Can you give an example of a data quality issue you faced and how you solved it?,Technical ,Data Engineer
|
| 761 |
+
Can you explain your experience with SQL and how you have optimized SQL queries for large-scale data processing?,Technical ,Data Engineer
|
| 762 |
+
Can you tell us about a difficult technical problem you faced in a previous project and how you solved it?,Technical ,Data Engineer
|
| 763 |
+
How will you transform unstructured data into structured data?,Technical ,Data Engineer
|
| 764 |
+
What is the process of validating a data migration from one data source to another?,Technical ,Data Engineer
|
| 765 |
+
Define Hadoop. How is it connected to Big Data? ,Technical ,Data Engineer
|
| 766 |
+
Are you more database-centric or pipeline-centric?,Technical ,Data Engineer
|
| 767 |
+
Talk about a distributed system you built and how you engineered it?,Technical ,Data Engineer
|
| 768 |
+
"For proficient data processing, which Python libraries will you use?",Technical ,Data Engineer
|
| 769 |
+
Talk about your experience using PostgreSQL or other RDBMS.,Technical ,Data Engineer
|
| 770 |
+
Do you have an understanding of NoSQL databases? Elaborate on it. ,Technical ,Data Engineer
|
| 771 |
+
Do you know how to build and maintain data pipelines using Kafka (or similar)?,Technical ,Data Engineer
|
| 772 |
+
How will you diagnose a performance issue in a Spark job?,Technical ,Data Engineer
|
| 773 |
+
How will you design a video streaming service such as YouTube or Netflix?,Technical ,Data Engineer
|
| 774 |
+
How would you optimize a slow-running SQL query that’s processing terabytes of data?,Technical ,Data Engineer
|
| 775 |
+
Compare batch and stream processing. When would you choose one over the other?,Technical ,Data Engineer
|
| 776 |
+
"Design a data pipeline that ingests, processes, and stores user viewing data from millions of devices.",Technical ,Data Engineer
|
| 777 |
+
How would you ensure data quality in a real-time streaming environment?,Technical ,Data Engineer
|
| 778 |
+
Explain how you would implement a real-time recommendation system using Kafka and Flink.,Technical ,Data Engineer
|
| 779 |
+
How Would You Handle a Large Dataset That Exceeds Your Machine’s Memory?,Technical ,Data Engineer
|
| 780 |
+
Explain the Difference Between Overfitting and Underfitting.,Technical ,Data Engineer
|
| 781 |
+
Describe a Time You Used Data to Make a Decision.,Technical ,Data Engineer
|
| 782 |
+
How Do You Ensure the Quality of Your Data?,Technical ,Data Engineer
|
| 783 |
+
"What Is Your Favorite Algorithm, and Why?",Technical ,Data Engineer
|
| 784 |
+
What are the basic assumptions of A/B testing? Do you have experience in A/B testing?,Technical ,Data Engineer
|
| 785 |
+
"Given a month's worth of login data from Netflix such as account_id, device_id, and metadata concerning payments, how would you detect fraud?",Technical ,Data Engineer
|
| 786 |
+
"Given a single day with a large sample size and a significant test result, would you end the experiment?",Technical ,Data Engineer
|
| 787 |
+
How do you know if one algorithm is better than the other?,Technical ,Data Engineer
|
| 788 |
+
How would you use ANOVA to determine if there is a significant difference in the mean satisfaction levels among customers from different regions?,Technical ,Data Engineer
|
| 789 |
+
How would you use a simple join to combine data from two tables?,Technical ,Data Engineer
|
| 790 |
+
How would you design an experiment for a new feature we're thinking about. What metrics would matter?,Technical ,Data Engineer
|
| 791 |
+
Explain p-value.,Technical ,Data Engineer
|
| 792 |
+
Can you explain the concept of causal inference and give an example of its application in a real-world scenario?,Technical ,Data Engineer
|
| 793 |
+
Can you provide an example of a real-world application of dimensionality reduction techniques and how they were used?,Technical ,Data Engineer
|
| 794 |
+
Can you discuss a time when you had to handle imbalanced data in a machine learning model? How did you approach the problem?,Technical ,Data Engineer
|
| 795 |
+
Can you explain the concept of overfitting and how to avoid it in a machine learning model?,Technical ,Data Engineer
|