Kruskal-Wallis H Test Calculator

Calculate the Kruskal-Wallis H statistic for comparing three or more groups.

H Statistic

-25.9032

Degrés de liberté2

H Statistic vs Total N

Formule

## Kruskal-Wallis H Test **H = [12/N(N+1)] * Sum(Ri^2/ni) - 3(N+1)** Non-parametric alternative to one-way ANOVA.

Exemple Résolu

N=30, 3 groups.

  1. 01H = (12/930) * 5200 - 93

Questions Fréquentes

When vs ANOVA?

When data are ordinal or non-normal.

Post-hoc?

Use Dunn test with Bonferroni correction.

With 2 groups?

Equivalent to Mann-Whitney U.

Apprendre

Understanding the Normal Distribution

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