Question: The file fatherson.xls in the Excel Data Files folder on Blackboard has the data you need for this question. Use this data and a paired sample t-test to test whether, on average, sons are the same height as their fathers.

a. Explain why we would use a paired t-test in this case.

b. Give the hypothesis set for this t-test.

c. Perform the t-test using Excel.

d. Write up your analysis of the test and the mean difference.