Chi Square Test

Pranay Kumar

Jun 13, 17

There are three tests in the Chi Square Test – Cross tabulation – When both Y & X are categorical data, 1 Variable @Goodness-of-Fit (GoF), 2 Way Table.

There are three tests in the Chi Square Test

 

Cross tabulation – When both Y & X are categorical data.

 

CSAT (Sat/dis-sat) vs Customer Location

Vs Product purchased

Vs Gender

Attrited/ Not Attrited vs Gender/ process deployed in / Department/ Mode of travel/ Stay Location

 

 

Need to click Chi-Square to get the options available in the screen below

Tabulated statistics: Target Achievement, Shift

 

Rows: Target Achievement   Columns: Shift

 

Afternoon  Evening  Morning  All

 

Met               13       25       12   50

Not met           16       23       11   50

All               29       48       23  100

 

Cell Contents:      Count

 

 

Pearson Chi-Square = 0.437, DF = 2, P-Value = 0.804

Likelihood Ratio Chi-Square = 0.438, DF = 2, P-Value = 0.803

 

 

 

 

1 Variable @Goodness-of-Fit (GoF)

When Y is numeric data (count) vs x which is category data

Attrited count vs Gender/ process deployed in / Department/ Mode of travel/ Stay Location

 

 

 

Proportion Calculation

 

 

 

 

2 Way Table

When both Y & X are count

Defect Count Vs Production Count

Productivity vs Volume recd

Vs utilized

Vs Shrinkage

 

Ho : X does not significantly impact Y

Ha : X significantly impact Y

 

3 options of cross tabulation, one variable & two-way table.

 

 

 

Chi-Sq = 3491.900, DF = 99, P-Value = 0.000

 

 

 

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