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 matched pairs and the data are ordinal, is the: $\begin{array}{|l|l|}\hline A&\text { Wil coxon signed rank sum test. }\\\hline B&\text { sign test. }\\\hline C&\text { Wil coxon rank sum test. }\\\hline D&\text { matched pairs } t \text {-test. }\\\hline \end{array}$