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Tests for Median

Non-parametric tests for median are useful when data is not normally distributed.

One-Sample Tests

• 1-Sample Sign - Simple sign test for median
• 1-Sample Wilcoxon - Wilcoxon signed-rank test

Two-Sample Tests

• Mann-Whitney - Mann-Whitney U test (compare two groups)

Multiple-Sample Tests

• Friedman - Friedman test for related samples
• Mood's Median - Mood's median test
• Kruskal-Wallis - Non-parametric ANOVA alternative