Kruskal-Wallis Test Calculator
Non-parametric test for comparing three or more independent groups using rank-based methods.
Group Data
Kruskal-Wallis H Statistic
3.2051
Not Significant
dfDegrees of Freedom
2
pP-Value
0.201379
etaEffect Size (eta^2)
0.0938
NTotal N
15
Group Statistics
Group 1 (n=5)Mean Rank: 5.50
Group 2 (n=5)Mean Rank: 8.00
Group 3 (n=5)Mean Rank: 10.50
Formula
H = [12/(N(N+1))] * Sum(Ri^2/ni) - 3(N+1)
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.