Based on the Critical and Obtained Values of the Various

Essay

Based on the critical and obtained values of the various tests below, determine if the null hypothesis can be rejected:
$\begin{array}{|c|l|c|c|c|}\hline & {\text { Test }} & \text { Obt Value } & \text { Crit Value } & \frac{\underline{\text { Reject } \mathrm{H}_{0}}}{\underline{\mathrm{Yes} / \mathrm{No}}} \\\hline \text { a. } & \text { Mann-Whitney test } & 6 & 8 & \\\hline \text { b. } & \text { Wilcoxon matched-pairs signed-ranks test } & 15 & 13 & \\\hline \text { c. } & \text { Kruskal-Wallis test } & 12.23 & 9.488 & \\\hline \text { d. } & \text { Spearman correlation } & .6988 & .7273 & \\\hline\end{array}$