Non Parametric Tests

Updated: Apr 13, 2019

Nonparametric statistics is the branch of statistics that is not based solely on parametrized families of probability distributions. Nonparametric statistics is based on either being distribution-free or having a specified distribution but with the distribution's parameters unspecified. Nonparametric statistics includes both descriptive statistics and statistical inference.

  • Mann-Whitney U-test

  • Wilcoxon signed-rank test

  • Kruskal-Wallis test

  • Friedman test


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