What is the parametric counterpart to the Wilcoxon signed rank test for paired samples? Compare the assumptions involved in using the respective tests
The parametric counterpart to the Wilcoxon signed rank test for paired samples is the paired samples t-test. Both tests assume continuous data on the interval or ratio scale, and the data come in pairs. The t-test assumes that both underlying populations are normally distributed, whereas the Wilcoxon test assumes only that both distributions are fairly symmetric in shape.
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