The Kruskal-Wallis one-way analysis of variance by ranks is especially appropriate to test whether three or more population means are equal if the data are measured with an ordinal scale and/or the populations are not normal.

Question

Quizplus · Accepted Answer

The Kruskal-Wallis test is designed to test for differences between three or more groups when the data are not normally distributed, and/or when the data are measured on an ordinal scale. Therefore, the statement is true.

The Kruskal-Wallis One-Way Analysis of Variance by Ranks Is Especially