If the sample sizes in each group is larger than 5, the Kruskal-Wallis rank test statistic can be approximated by a chi-square distribution.

Question

Quizplus · Accepted Answer

This is true, and is due to the central limit theorem. This is true. If the sample sizes in each group are larger than 5, the Kruskal-Wallis test statistic can be approximated by a chi-square distribution with degrees of freedom equal to the number of groups minus 1.

If the Sample Sizes in Each Group Is Larger Than