1. A local university claims that if you enroll in their university you will have your degree completed within 4.5 years. To test this a sample of 81 graduates was taken. The sample yielded an average of 4.75 years with a standard deviation of 1.2 years.
a. Set up the Hypothesis to test this University’s Claim at a level of significance of .05. (α=.05)
b. What is the Test Statistic and Critical Value for the above problem?
What is the P-value for the above problem?
c. Would you reject the Null Hypothesis based on information obtained in part b.