A generalization of the Wilcoxon rank sum test.
Kruskal-Wallis Test
See also
Wilcoxon Rank Sum TestReferences
Lehmann, E. L. Nonparametric Statistical Methods Based on Ranks. New York: McGraw-Hill, 1975.Weiß, P. "Applications of Generating Functions in Nonparametric Tests." Mathematica J. 9, 803-823, 2005.Referenced on Wolfram|Alpha
Kruskal-Wallis TestCite this as:
Weisstein, Eric W. "Kruskal-Wallis Test." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Kruskal-WallisTest.html