Which of the following tests is appropriate for nominal data if the problem objective is to describe a population with more than two categories? A)z-test for one proportion,p,or difference of two proportions,p₁ − p₂. B)chi-squared goodness-of-fitness test. C)chi-squared test of a contingency table. D)All of these choices are true.

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The chi-squared goodness-of-fit test is appropriate for nominal data when the objective is to describe a population with more than two categories. It assesses how well the observed frequencies fit the expected frequencies in categories.

Which of the Following Tests Is Appropriate for Nominal Data