Which test is appropriate for comparing the scores of two interval variables drawn from related populations? A) ANOVA B) relative t-test C) relative c² test D) pair-samples t-test

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The pair-samples t-test is appropriate for comparing the scores of two interval variables drawn from related populations because it compares the means of two samples that are related or paired. This test is also known as the dependent t-test or paired t-test. ANOVA is used for comparing means of more than two groups, while the relative t-test and relative c² test are not standard statistical tests.

Which Test Is Appropriate for Comparing the Scores of Two