Question: A random sample of results of 3 standardized mathematics placement exams for two different campuses is as follows.

At the 0.05 significance level, test the claim that the population mean score on Campus l is higher than on Campus 2.

A) Whit is the null and alternative hypotheses for this study? To receive full credit you must write theses claims both symbolically AND in English.

B) What is the critical z-value for this test?

C) What is the z-value based on these samples?

D. Is the population mean score on Campus 1 is higher than on Campus 2?