The Kruskal-Wallis one-way analysis of variance by ranks is especially appropriate to test whether three or more population means are equal if the data is measured with an ordinal scale and/or the populations are not normal.
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Q3: The sign test is an appropriate nonparametric
Q5: The Wilcoxon rank-sum test compares two dependent
Q7: The Kruskal-Wallis method tests the hypothesis that
Q8: The Wilcoxon signed-rank test of differences requires
Q8: The sign test requires the populations to
Q10: The Kruskal-Wallis H statistic follows the _
Q11: The Wilcoxon rank-sum test includes a variable,W.
Q12: We can apply nonparametric tests to problems
Q13: We can apply parametric tests,such as the
Q19: For small samples,the test statistic for the
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