Suppose I'm using chi-square analysis to determine the relationship, if any, between a pair of categorical variables.  How should I interpret the results if I get a significant chi-square statistic but see that the high value is driven essentially by only a couple of cells in the crosstab?  Is there a better way to proceed to get an imnproved understanding of what's going on?  Thanks.

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Asked Nov 4, 2019
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Suppose I'm using chi-square analysis to determine the relationship, if any, between a pair of categorical variables.  How should I interpret the results if I get a significant chi-square statistic but see that the high value is driven essentially by only a couple of cells in the crosstab?  Is there a better way to proceed to get an imnproved understanding of what's going on?  Thanks.

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Expert Answer

Step 1

Chi square test for independence is used to test determine whether there is any significant relationship between two categorical variables.

If the p-value with respect to test statistic is less than the significance level then the null hypothesis is rejected. If the p-value with respect to the test statistic is greater than the significance level then the null hypothesis is failed to be rejected.

Step 2

The expected frequency in any of the particular cell should not be less than 5. It is an assumption which needs to be fulfilled before conducting the c...

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