What is the null hypothesis for a Kruskal-Wallis HH test?
A)The number of scores above and below the median are equal.
B)The median differences between two groups are equal.
C)The sum of ranks in each group does not differ between groups.
D)The ranks in two groups are equal to 0.

Question

Quizplus · Accepted Answer

The null hypothesis for a Kruskal-Wallis HH test is that the sum of ranks in each group does not differ between groups. This means that there is no significant difference between the medians of the groups being compared. Therefore, choice C is the correct answer. The other choices are not relevant to the Kruskal-Wallis HH test.

What Is the Null Hypothesis for a Kruskal-Wallis HH Test