Perform the Indicated Wilcoxon Test $$\alpha$$ = 005

Essay

Perform the indicated Wilcoxon test. Be sure to do the following: Identify the claim mathematically and state the null
and alternative hypotheses. Determine the critical value and find the test statistic. Decide whether to reject or fail to
reject the null hypothesis and interpret the decision in the context of the original claim.
-Verbal SAT scores for students randomly selected from two different schools are listed below. Use the
Wilcoxon rank sum test to test the claim that there is no difference in the scores from the two schools.
Use $$\alpha$$ = 0.05. $$\begin{array} { l l l | l l l } { \text { School } 1 } & && { \text { School } 2 } \\\hline 540 & 510 & 760 & 480 & 430 & 670 \\470 & 740 & 520 & 420 & 700 & 580 \\570 & 770 & 600 & 680 & 540 & 520 \\580 & 720 & 740 & 620 & 630 & 530\end{array}$$