A Non-Parametric Method to Compare Two Populations, When the Samples

Short Answer

A non-parametric method to compare two populations, when the samples are independent but the assumptions behind the independent samples t-test are violated, is the: $\begin{array}{|l|l|}\hline A&\text { Wilcoxon rank sum test.}\\\hline B&\text {sign test. }\\\hline C&\text {matched pairs \( t \)-test. }\\\hline D&\text {Wilcoxon signed rank sum test. }\\\hline \end{array}$