Kruskal-Wallis Test Calculator

The Kruskal-Wallis test is a non-parametric alternative to the one-factor ANOVA test for independent measures. It relies on the rank-ordering of data rather than calculations involving means and variances, and allows you to evaluate the differences between three or more independent samples (treatments).

To use this calculator, simply enter the values for up to five treatment conditions (or populations) into the text boxes below, either one score per line or as a comma delimited list. Select your significance level, give your data a final check, and then press the "Calculate" button.

Treatment 1
Treatment 2
Treatment 3
Treatment 4
Treatment 5
Significance Level:

No calculation has been performed yet.

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