6 terms in 10
Wilcoxon Rank-sum Test
A non-parametric test for independent samples testing whether two populations have the same distribution, using ranks fr
Non-Parametric Tests
Wilcoxon Signed-Rank Procedure
The Wilcoxon signed-rank test: (1) calculates differences within pairs; (2) ignores signs, ranks absolute differences; (
Non-Parametric Tests
10.1: Sign Test
A non-parametric test for paired data using the binomial distribution, testing H₀: median difference = 0 by comparing th
Non-Parametric Tests
10.1: Sign Test
A non-parametric test for paired data that ranks absolute differences and uses signed ranks, testing H₀: the distributio
Non-Parametric Tests
10.1: Sign Test
The Mann-Whitney U test compares two independent samples by ranking all observations together and calculating U = n₁n₂ +
Non-Parametric Tests