A nonparametric equivalent of a version of the ANOVA test, which tests the hypothesis that several population means are equal is known as the:
A) Wilcoxon ranked-sum test
B) Spearman's coefficient of rank correlation
C) Kruskal-Wallis test
D) Sign test

Question

Quizplus · Accepted Answer

The Kruskal-Wallis test is a nonparametric alternative to ANOVA and is used to test the hypothesis that several population medians are equal. The other options are nonparametric tests, but they do not specifically test for equality of means or medians among several populations.

A Nonparametric Equivalent of a Version of the ANOVA Test