How does the Kruskal Wallis Calculator work?

Non-parametric alternative to ANOVA Then: H = (12 / (n(n+1))) × Σ(Ri²/ni) - 3(n+1) Then: Ri = sum of ranks for group i Then: Test statistic ≈ χ² with k-1 degrees of freedom.

Can you give an example of how to use the Kruskal Wallis Calculator?

Example: Input k=3 groups gives a result of H statistic.

Is the Kruskal Wallis Calculator free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the Kruskal Wallis Calculator?

Our Kruskal Wallis Calculator uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

Matematyka

Kruskal Wallis Calculator

Kruskal-Wallis Test

Group 1

Group 2

Group 3

Applies Kruskal-Wallis test comparing 3+ groups without normal distribution assumption.

Symbol	Name	Unit	Description
H	(12 / (n(n+1))) × Σ(Ri²/ni) - 3(n+1)	—	(12 / (n(n+1))) × Σ(Ri²/ni) - 3(n+1)

Difficulty:advanced

⭐

Did You Know?

Kruskal-Wallis robust to outliers and non-normality; trades power for robustness.

References

›Kruskal-Wallis Test

🔒

100% Bezpłatny

Bez rejestracji

✓

Dokładny

Zweryfikowane wzory

⚡

Natychmiastowy

Wyniki od razu

📱

Przyjazny mobilny

Wszystkie urządzenia

Kruskal Wallis Calculator

Kruskal-Wallis Test

Czym jest Kruskal Wallis Calculator?

Wzór

Opis zmiennych

Jak Kruskal Wallis Calculator

Rozwiązane przykłady

Zastosowania praktyczne

Często zadawane pytania

Częste błędy do unikania

Ustawienia

Kruskal-Wallis Test