What are the requirements for the chi-square test for independence? (This is a r

Question

What are the requirements for the chi-square test for independence? (This is a reading assessment question. Be certain of your answer because you only get one attempt on this question.) Select all that apply. A. The expected counts must be approximately normal B. All expected counts are greater than 5. C. No more than 10% of the expected counts are less than 5 D. All expected counts are greater than 1. ? E. No more than 20% of the expected counts are less than 5. All expected counts are greater than 10. ? F.

Explanation / Answer

From the given list of choices,

D.All expected counts are greater than 1

E.No more than 20% of the expected counts are less than 5

are the applicable ones and thus they may be selected.

The reasns are as follows.

Chi squre test is a non parametric test. Only parametric test assumes that the data is approximately normal. So A can be omitted

D and E are assumed to met if the sample size equals atleast the number of cells multiplied by 5. Actually this specifies the sample size to use Chi squre for any number of cells.

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