In conducting a Kruskal-Wallis one-way analysis of variance, the test statistic is assumed to have approximately which distribution when the null hypothesis is true?
A) A t-distribution
B) An F-distribution
C) A normal distribution
D) A chi-square distribution

Question

Quizplus · Accepted Answer

The Kruskal-Wallis one-way analysis of variance by ranks is a non-parametric method that uses the chi-square distribution to approximate the distribution of its test statistic under the null hypothesis.

In Conducting a Kruskal-Wallis One-Way Analysis of Variance, the Test