The z-test approximation to the Wilcoxon signed-rank sum test is used whenever the number of non-zero differences is at least 50.
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Q50: The critical value is taken from the
Q51: The Kruskal-Wallis test is applied to compare
Q52: A one-sample t-test is the parametric counterpart
Q53: Kruskal-Wallis test is a nonparametric test that
Q59: The Kruskal-Wallis H test is an extension
Q61: The Wilcoxon signed rank test is a
Q103: The sign test is a nonparametric test
Q104: In a normal approximation to the sign
Q112: The sign test, or Wilcoxon signed-rank test,
Q120: The Kruskal-Wallis test can be conducted as
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