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1
How would you replace all occurrences of a Substring with a new string?
Python
null
null
no
no
0
How would you reset the index of a dataframe to a given list?
Python
null
null
no
no
0
How would you reverse a string in Python?
Python
null
null
no
no
0
How would you sort a dictionary in Python?
Python
null
null
no
no
0
If 70 Percent of Facebook Users on iOS Use Instagram, But Only 35 Percent of Users on Android Use Instagram, How Would You Investigate the Discrepancy?
Data Analytics
null
null
no
no
0
If a distribution is skewed to the right and has a median of 20, will the mean be greater than or less than 20?
Data Science
null
null
no
no
0
If a distribution is skewed to the right and has a median of 20, will the mean be greater than or less than 20?
Data Science
null
null
no
no
0
If a PM Says That They Want to Double the Number of Ads in NewsFeed, How Would You Figure Out If This Is a Good Idea or Not?
Data Analytics
null
null
no
no
0
If an engineer wanted to enable one class to get every member from another class, what would they do?
Python
null
null
no
no
0
If the Probability That an Item at Location A is 0.6 and 0.8 at location B, What Is the Probability That the Item Would be Found on Amazon?
Data Science
null
null
no
no
0
If There Are 8 Marbles of Equal Weight and 1 Marble That Weighs a Little More For a Total of 9 Marbles, How Many Weighings Are Required to Determine Which Marble Is Heaviest?
Data Analytics
null
null
no
no
0
If there is a 30 percent probability that you will see a supercar in any 20-minute time interval, what is the proba­bility that you see at least one supercar in the period of an hour (60 minutes)?
Data Science
null
null
no
no
0
If there is a 30 percent probability that you will see a supercar in any 20-minute time interval, what is the probability that you see at least one supercar in the period of an hour (60 minutes)?
Data Science
null
null
no
no
0
If We Were Testing Product X, What Metrics Would You Look at to Determine If It's a Success?
Data Analytics
null
null
no
no
0
If you split your data into train/test splits, is it possible to overfit your model?
Python
null
null
no
no
0
Imagine that Jeremy took part in an examination. The test is having a mean score of 160, and it has a standard deviation of 15. If Jeremy's z-score is 1.20, what would be his score on the test?
Data Science
null
null
no
no
0
Imagine that Jeremy took part in an examination. The test is having a mean score of 160, and it has a standard deviation of 15. If Jeremys z-score is 1.20, what would be his score on the test?
Data Science
null
null
no
no
0
In a Population of Interest, a Sample of 9 Men Yielded a Sample Average Brain Volume of 1,100cc and a Standard Deviation of 30cc. What Is a 95 Percent Student's T-Confidence Interval for the Mean Brain Volume in This New Population?
Data Science
null
null
no
no
0
In a scatter diagram, what is the line that is drawn above or below the regression line called?
Data Science
null
null
no
no
0
In a scatter diagram, what is the line that is drawn above or below the regression line called?
Machine Learning
null
null
no
no
0
In a Study of Emergency Room Wait Times, Investigators Compare a New Triage System to the Standard. To Test the Systems, Administrators Selected 20 Nights and Randomly Assigned the New System to Be Used on 10 nights and the Standard System on the Remaining 10 Nights. They Calculated the Nightly Median Waiting Time (MWT...
Data Science
null
null
no
no
0
In an observation, there is a high correlation between the time a person sleeps and the amount of productive work he does. What can be inferred from this?
Data Science
null
null
no
no
0
In an observation, there is a high correlation between the time a person sleeps and the amount of productive work he does. What can be inferred from this?
Data Science
null
null
no
no
0
In an organization, how can we secure some confidential data in Power BI?
Data Engineer
null
null
no
no
0
In NumPy, how will you read CSV data into an array?
Python
null
null
no
no
0
In order to extract multiple features from an image, it is common practice to use a number of filters and then stack them up to form the resultant. So for a 10x10x3 image convoluted using ten filters of dimensions 5x5x3, how many parameters must be learned to form the filters alone?
Machine Learning
null
null
no
no
0
In Pandas, how do you merge data frames?
Python
null
null
no
no
0
In Pandas, how do you mix data frames?
Python
null
null
no
no
0
In Python, are arguments provided by value or reference?
Python
null
null
no
no
0
In Python, functions are first-class objects. What do you infer from this?
Python
null
null
no
no
0
In Python, how can you generate random numbers?
Python
null
null
no
no
0
In Python, how do you abstract data?
Python
null
null
no
no
0
In Python, how do you insert an element at a specific index?
Python
null
null
no
no
0
In Python, how do you overload methods or constructors?
Python
null
null
no
no
0
In Python, how do you remark numerous lines?
Python
null
null
no
no
0
In Python, how do you utilize ternary operators?
Python
null
null
no
no
0
In Python, how is memory managed?
Python
null
null
no
no
0
In Python, what is __init__?
Python
null
null
no
no
0
In Python, what is “self”?
Python
null
null
no
no
0
In Python, what is a dictionary? Give a specific example.
Python
null
null
no
no
0
In Python, what is the difference between a list and a tuple?
Python
null
null
no
no
0
In Python, what is the map() function?
Python
null
null
no
no
0
In Tableau 7.0, what does context filter mean?
Data Analytics
null
null
no
no
0
In what situation can we use sets?
Data Analytics
null
null
no
no
0
In what situation do we have to use the data blending concept?
Data Analytics
null
null
no
no
0
In what situation will you prefer to use a treemap over a heat map?
Data Analytics
null
null
no
no
0
In what situation would the median be a more suitable measure compared to the mean?
Data Science
null
null
no
no
0
In what way Tableau determines null values and exceptional values? How can we handle such data in Tableau?
Data Analytics
null
null
no
no
0
In your opinion, what are some common mistakes made by Data Analyticss when working with data?
Data Analytics
null
null
no
no
1
In your opinion, what is the biggest challenge in data analysis today?
Data Analytics
null
null
no
no
1
Infection Rates at a Hospital Above a 1 Infection per 100 Person-Days at Risk Are Considered High. Suppose a Hospital Had 10 Infections over the last 1787 person-days at risk. Give the P-Value of the Correct One-Sided Test of Whether the Hospital Is Below the Standard.
Data Analytics
null
null
no
no
0
Is a string a palindrome case-insensitive?
Python
null
null
no
no
0
Is a string a valid parenthesis expression?
Python
null
null
no
no
0
Is access specifiers used in Python?
Python
null
null
no
no
0
Is Dictionary Lookup Faster than List Lookup? Why?
Python
null
null
no
no
0
Is Django better as compared to Flask?
Python
null
null
no
no
0
Is Django better than Flask?
Python
null
null
no
no
0
Is Django stable?
Python
null
null
no
no
0
Is flask an MVC model?
Python
null
null
no
no
0
Is indentation required in Python?
Python
null
null
no
no
0
Is Indentation Required in Python?
Python
null
null
no
no
0
Is it always necessary to use an 80:20 ratio for the train test split?
Machine Learning
null
null
no
no
0
Is it always necessary to use an 80:20 ratio for the train test split?
Machine Learning
null
null
no
no
0
Is It Beneficial to Perform Dimensionality Reduction Before Fitting an SVM? Why or Why Not?
Machine Learning
null
null
no
no
0
Is it possible to bring together elements from various worksheets and place them in a single view?
Data Analytics
null
null
no
no
0
Is it possible to call parent class without its instance creation?
All
null
null
no
no
0
Is it possible to join two unique data sources in the same Power BI dashboard?
Data Engineer
null
null
no
no
0
Is it possible to refresh Power BI Reports after they are published to the cloud?
Data Engineer
null
null
no
no
0
Is Mean Imputation of Missing Data Acceptable Practice? Why or Why Not?
Data Science
null
null
no
no
0
Is multiple inheritance possible in Python?
Python
null
null
no
no
0
Is Power BI an effective solution?
Data Analytics
null
null
no
no
0
Is Python a compiled language or an interpreted language?
Python
null
null
no
no
0
Is Python a compiled language or an interpreted language?
Python
null
null
no
no
0
Is Python a programming language?
Python
null
null
no
no
0
Is Python an interpreted language?
Python
null
null
no
no
0
Is Python case-sensitive?
Python
null
null
no
no
0
Is Python good for data analysis?
Python
null
null
no
no
0
Is Python object-oriented or functional programming?
Python
null
null
no
no
0
Is Python useful for data analysis?
Python
null
null
no
no
0
Is Tableau smart enough to perform strategic acquisition?
Data Analytics
null
null
no
no
0
Is the dir() method correct to return a list of valid attributes of the object?
Python
null
null
no
no
0
Is the floor operator details correct?
Python
null
null
no
no
0
Is the Power BI tool free?
Data Analytics
null
null
no
no
0
Is there an inherent do-while loop in Python?
Python
null
null
no
no
0
Is there an object-oriented Programming (OOps) concept in Python?
Python
null
null
no
no
0
Is there any limitation in utilizing the number of Tableau rows?
Data Engineer
null
null
no
no
0
Is there any significance to outliers in statistics?
Data Science
null
null
no
no
0
Is there any way of performing load testing in Tableau? If yes, how?
Data Engineer
null
null
no
no
0
Is this statement true: "Python is a case-sensitive language"?
Python
null
null
no
no
0
Is Tuple Comprehension? If yes, how, and if not why?
All
null
null
no
no
0
Joins vs. Blending in Tableau.
Data Analytics
null
null
no
no
0
Left-skewed and right-skewed distributions exist, what are they?
Data Science
null
null
no
no
0
Let's suppose a client has given you a project where you have to visualize the movement of a cyclone right from its initial stage. Also, your visualization chart should represent the time at which that cyclone entered certain countries. Which Tableau map will best fit this situation?
Data Analytics
null
null
no
no
0
Let's suppose you have data that contains purchase information along with the age and gender of the customers. Visualize the segments of customers along with the total spend of each customer.
Data Analytics
null
null
no
no
0
Likes Per User and Minutes Spent on a Platform Are Increasing but Total Number of Users Are Decreasing. What Could Be the Root Cause of It?
Data Analytics
null
null
no
no
1
List a few business intelligence tools that are compatible with Tableau.
Data Analytics
null
null
no
no
0
List a few of the famous companies that are using Django?
Python
null
null
no
no
0
List out some drawbacks/limitations of using Power BI.
Data Analytics
null
null
no
no
0
List out the inheritance styles in Django.
Python
null
null
no
no
0
List out the popular NLP task and their corresponding evaluation metrics.
Machine Learning
null
null
no
no
0