A mean exam score for 44 male high school students is 20.1 and the population standard deviation is 4.5. The mean exam score for 54 female high school students is 19.4 and the population standard deviation is 4.2. At a=.01, can you reject the claim that male and female high school students have equal exam scores? Complete parts b through e.

B. Find the critical value(s) and identify the rejection region(s).

C. Find the standardized test statistic z.

D. Decide whether to reject or fail to reject the null hypothesis.

E. Interpret the decision in the context of the original claim with the %.