A one-sample t-test is the parametric counterpart of the Wilcoxon signed rank test for matched pairs.

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A one-sample t-test and the Wilcoxon signed rank test are both used to test for differences in paired data, but they are not parametric and non-parametric counterparts. Instead, the one-sample t-test assumes normality and homoscedasticity of the data, while the Wilcoxon signed rank test does not make any assumptions about the distribution of the data.

A One-Sample T-Test Is the Parametric Counterpart of the Wilcoxon