Which of the following tests is appropriate for nominal data if the problem objective is to compare two populations and there are exactly 2 categories? A)The z-test for the difference of two proportions,p₁ − p₂. B) The chi-squared test of a contingency table. C) Both a and b. D) None of these choices.

Question

Quizplus · Accepted Answer

Both the z-test for the difference of two proportions and the chi-squared test of a contingency table are appropriate for comparing two populations with nominal data that falls into exactly 2 categories.

Which of the Following Tests Is Appropriate for Nominal Data