What is the Kruskal-Wallis Test and when is it used?© BrainMass Inc. brainmass.com March 4, 2021, 5:46 pm ad1c9bdddf
What is the Kruskal-Wallis Test and when is it used?
1. The Kruskal-Wallis test is a non-parametric test used to compare three or more samples. It is used to test the null hypothesis that all populations have identical distribution functions against the alternative hypothesis that at least two of the samples differ only with respect to location (median), if at all.
This solution explains the Kruskal-Wallis Test and provides examples of when is it used.