Kruskal-Wallis H Test Calculator

Calculate the Kruskal-Wallis H test for comparing three or more independent groups. A non-parametric alternative to one-way ANOVA that uses ranks instead of raw values.

How to Use Kruskal-Wallis H Test Calculator

Enter data for three or more groups (add more groups as needed), set your significance level, and click Calculate. The tool ranks all values together and computes the H statistic, degrees of freedom, and p-value using chi-squared approximation.

Step-by-Step Instructions

  1. Enter values for each group (minimum 3 groups)
  2. Add additional groups if needed using the Add Group button
  3. Set significance level alpha (default 0.05)
  4. Click Calculate to see H statistic, df, and p-value

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