Which of the Following Tests Is Appropriate for Nominal Data

question 84

Multiple Choice

Which of the following tests is appropriate for nominal data if the problem objective is to compare two or more populations and the number of categories is at least 2?

• A) The z-test for one proportion,p,or difference of two proportions,p₁ - p₂.
• B) The chi-squared goodness-of-fitness test.
• C) The chi-squared test of a contingency table.
• D) All of these choices are true.

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Definitions:

Null Hypothesis

The presumption of no association or effect between variables until evidence indicates otherwise, used as a benchmark for statistical significance testing.

Cholesterol Levels

Measures of the total amount of cholesterol in the blood, including low-density and high-density lipoprotein cholesterol.

Special Diet

A diet that is tailored to meet specific health conditions, nutritional needs, or food preferences of an individual.

Wilcoxon Signed Rank Test

A statistical test that does not rely on parameter-based assumptions to compare two related samples, matched samples, or repeated measures within a single sample to evaluate if there is a difference in their population mean ranks.