The rejection region for the chi- square test to compare two or more population proportions lies on the right tail of the chi- square distribution.

Question

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The chi-square test is used to compare categorical variables, and its distribution is not symmetrical but skewed to the right. Therefore, the rejection region for a chi-square test, when testing for differences in proportions or frequencies, is located in the right tail of the chi-square distribution.

The Rejection Region for the Chi- Square Test to Compare