What is the Chi Square Test of Association and How Can it be Used f...

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Chi Square test of Independence

Basic Terminologies
• P- value : In case of Chi square test of independence, it indicates whether there is a statistically...

Introduction
• It is used to determine whether there is a statistically significant
association between the two categorica...

Example : Input
Let’s conduct the Chi square test of independence on following two
variables, one is a Gender the other is...

Example : Output
Chi square statistics 19.3
P-value 0.041
 At 95% confidence level (5% chance of error) :
 As p-value = ...

Standard input parameters & sample UI

Sample output 1 : Interpretation

Sample output 2 : Model Summary

Sample output 3
: Contingency
table
• Contingency table simply
represents counts of each
combination of dimension
values, ...

Sample output 4 : Outliers
Outliers are data values that differ greatly from the majority of a set of data

Limitations
• Can be applied on only two categorical variables (two dimensions)
• Number of data points should be at least...

General applications
FINANCE
MARKETING/MARKETRESEARCH
Helps determine if
certain types of
products sell better
in certain
...

Use case 1
Business benefit:
• Once the test is completed, p-value
is generated which indicates
whether there is significa...

Use case 1 : Input Dataset
Similarly for any category of a product and any
demographic variable, such input dataset can be...

Use case 1 : Output
Chi square statistic 25
P-value 0.03
 P-value : 0.03 (< 0.05) indicates that there is a significant a...

Use case 2
Business benefit:
• Once the test is completed, p-value
is generated which indicates
whether there is significa...

Use case 3
Business benefit:
• Once the test is completed, p-value
is generated which indicates
whether there is significa...

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More?
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