Question: 2. Wilcoxon Rank-Sum Test The test statistic for the Wilcoxon rank-sum test is based on the rank sum R, which has a distribution that is

2. Wilcoxon Rank-Sum Test The test statistic for the Wilcoxon rank-sum test is based on the rank sum R, which has a distribution that is approximately normal. Is the Wilcoxon rank-sum test a parametric test because it requires a normal distribution?

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