In the Kruskal-Wallis test,the degrees of freedom are ________.
A)the total number of observations less one
B)the total number of observations
C)the number of populations less one
D)each sample size less one

Question

Quizplus · Accepted Answer

The Kruskal-Wallis test compares the medians of three or more independent samples. The degrees of freedom in the Kruskal-Wallis test are equal to the number of populations (groups) minus 1. Therefore, the correct answer is C, the number of populations less one.

In the Kruskal-Wallis Test,the Degrees of Freedom Are ________