nonparametric hypothesis tests the approach to explore the small-sized sample and the unspecified...
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Nonparametric Hypothesis tests
The approach to explore the small-sized sample and the
unspecified population
Nonparametric problems
No proper distribution for hypothesis test
Too small size to adopt the normality approximation
Most nonparametric methods based on ranks instead of original data
Some nonparametric tests The sign test
Testing the median value The signed rank test
Testing the symmetry of distribution The rank sum test
Testing the similarity between two populations
The runs test Testing the randomness of distribution
Some famous nonparametric statistical methods
Wilcoxon signed rank test for the symmetric distribution
Wilcoxon, Mann-Whitney rank sum test for the identical shape of distribution
Kruskal-Wallis test for identical distribution (an approximation of Chi-square distribution)
Spearman Rho rank test for the small-sized correlation coefficient
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