Kruskal-Wallis H Test Calculator
Calculate the Kruskal-Wallis H statistic for comparing three or more groups.
H Statistic
-25.9032
Freiheitsgrade2
H Statistic vs Total N
Formel
## Kruskal-Wallis H Test **H = [12/N(N+1)] * Sum(Ri^2/ni) - 3(N+1)** Non-parametric alternative to one-way ANOVA.
Lösungsbeispiel
N=30, 3 groups.
- 01H = (12/930) * 5200 - 93
Häufig Gestellte Fragen
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.
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