Chapter 10/11 Review

For all hypothesis tests: verify the requirements are met, state your null and alternative hypotheses, show your

work for finding the test statistic, and state your conclusion. Round your test statistic and critical value to three

decimals when appropriate.

1. To test the belief that millennials are taller than boomers, a student randomly selects

13 boomers who have adult-millennial children. The student records the heights of

both the parents and their kids in inches and obtains the following data. Are

millennials taller than boomers? Use the a = 0.1 level of significance. Assume the

data's differences are normally distributed.

1 2 3 4 5 6 7 8 9 10 11 12 13

Height of

Parent

Height of

Kid

70.3 67.1 70.9 66.8 72.8 70.4

74.1 69.2 66.9 69.2 68.9

70.2

71.8 70.1 69.9 70.8 70.2 70.4 72.4

70.4 69.3 75.8

72.3

69.2

68.6 73.9