Question 34 $2.5 \mathrm{pts} $ The following samples are independently selected from two populations which follow the normal distributions with equal variance. \begin{tabular}{[11]) \hline Sample 1 & Sample 2 W \hline$n_{1}=10$ & $n_{2}=12$ \hline $\bar{x}_{1}=20$ & $\bar{x}_{2}=18$ \hline$s_{1}=5$ & $s_{2}=4.5$ \hline \end{tabular) One wishes to test the following hypotheses $H_[0]: \mu_{1}-\mu_{2}=0 \quad H_{a): \mu_{1}-\mu_{2}>0$ Find the rejection region for the above test with significance level of .05. SP.DL.239