Sreeja6600 commited on
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Update pages/2_INTRODUCTION TO STATISTICS.py

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pages/2_INTRODUCTION TO STATISTICS.py CHANGED
@@ -51,41 +51,3 @@ graph.edge("Descriptive Statistics","Distribution")
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  st.graphviz_chart(graph)
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  st.markdown(multi)
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- st.subheader("Measures of Central Tendency")
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- st.write("These are the measures that finds the central or average value of Data.")
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- st.write("These mainly include Mean , Median and mode")
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- st.markdown("**MODE**")
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- st.write("Mode mainly states about the occurences of particular value.")
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- st.write("Mode is of many types like, 0 modes,uni mode Bi-mode, Tri-modes and multi-modes.")
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- st.write("**The main disadvantage of mode is**")
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- st.write("Due to its dependency on frequency , sometimes we can calculate mode and sometimes we cannot.")
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- st.markdown("**MEDIAN**")
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- st.write("""Median is mainly used to give precise central value
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- This process maily consists of sorting the data and then finding the central value.""")
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- st.write("**The main disadvantage of median is**")
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- st.write("Its complete concentration will be on the central value and sorting takes time")
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- st.markdown("***Both median and mode will not consider all the observations so we wont opt to these measure mostly.***" )
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- st.markdown("**MEAN**")
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- st.write("Mean is the average value of our whole dataset. It is the mostly used measure to find the central tendency.")
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- st.write("Mean can be given by ratio of sum of all observations and total number of observations")
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- st.write("""Mean is of 3 types :
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- 1.Arithematic mean
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- 2.Geometric mean
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- 3.Harmonic mean""")
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- st.subheader("Measures of Dispersion/Variablity")
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- st.write("These are the measures to find how our data is spread or organised around the central value.")
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- st.write("Measures of Dispersion are of two types namely, Absolute and Relative")
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- st.subheader("Absolute")
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- st.write("Absolute value is a single value that describes the spread. This has units.")
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- st.write('''Absolute measures are further divided into:
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- **Range** : we use range when we are given with minimum and maximum values.
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- **Quartile Deviation** : we use this when a list is given and we must split them with equal intervals.
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- **Variance** : we use this when we need to find the spread using mean.
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- **Standard Deviation** : It is the root value of variance, this is the most used measure as it gives accurate spread.''')
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- st.subheader("Relative")
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- st.write("Relative measure is used when we have different type of data and we need to find its relation. This doesnot have units.")
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- st.write('''Relative measures are further divided into:
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- **Coefficient of Range**
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- **Coefficient of Quartile Deviation**
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- **Coefficient of Variance** : We use this in most of times, its main function is to know about the consistency in data.When data has high variance it has less consistency
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- **Coefficient of Standard Deviation** ''')
 
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  st.graphviz_chart(graph)
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  st.markdown(multi)