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How to Use Kruskal-Wallis Test. Non-parametric Tests -The Kruskal-Wallis Test - Statistics

Use the Kruskal-Wallis test to determine whether three or more samples were selected from populations having the same distribution. The Kruskal-Wallis H test (sometimes also called the "one-way ANOVA on ranks") is a rank-based nonparametric test that can be used to determine if there are statistically significant differences between two or more groups of an independent variable on a continuous or ordinal dependent variable.