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📊 Nonparametric Tests
Mann-Whitney U / Wilcoxon Signed-Rank / Kruskal-Wallis / Spearman Correlation
Nonparametric tests do not require normally distributed data; they suit skewed data, ordinal data or small samples. Choose the test type, enter the data, and the statistic and p-value are computed automatically.
Test Type
Input Data
📊 Test Results
📋 Detailed Statistics
📈 Distribution Comparison
About Nonparametric Tests
Nonparametric tests online: Mann-Whitney U, Wilcoxon signed-rank and Kruskal-Wallis, with no normality assumption, outputting statistics and p-values.
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