The Alternative Hypothesis for the Kruskal-Wallis Test Is Typically

The alternative hypothesis for the Kruskal-Wallis test is typically:

A) that not all median values from the populations are the same.
B) that the response variables are systematically different in some populations more than others.
C) Both options (a) and (b) ; they express the same thing in different ways.
D) Neither option (a) nor (b) .