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Kruskal-Wallis Test Calculator

Non-parametric alternative to one-way ANOVA. Use when comparing 3+ independent groups with non-normal data.

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When to Use

  • Comparing 3+ independent groups
  • Data is not normally distributed
  • Ordinal data or continuous with outliers

Null Hypothesis

H₀: All groups have the same distribution (same median)

Calculate Kruskal-Wallis H
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