Apply the Friedman Test to the Following Table of Ordinal

Essay

Apply the Friedman test to the following table of ordinal data to determine whether we can infer at the 5% significance level that at least two population locations differ. $\begin{array} { | c | c | c | c | c | } \hline & { \text { Treatment } } \\\hline \text { Block } & \text { A } & \text { B } & \text { C } & \text { D } \\\hline \text { i } & 2 & 5 & 3 & 1 \\\hline \text { iii } & 1 & 4 & 5 & 4 \\\hline \text { iii } & 3 & 4 & 2 & 2 \\\hline \text { iv } & 2 & 5 & 4 & 1 \\\hline \mathrm { v } & 1 & 5 & 3 & 5 \\\hline\end{array}$