For each exercise, perform these steps. Assume that all variables are normally or

Chapter 9, Problem 1

(choose chapter or problem)

For each exercise, perform these steps. Assume that all variables are normally or approximately normally distributed. a. State the hypotheses and identify the claim. b. Find the critical value(s). c. Compute the test value. d. Make the decision. e. Summarize the results. Use the traditional method of hypothesis testing unless otherwise specified.Driving for Pleasure Two groups of drivers are surveyed to see how many miles per week they drive for pleasure trips. The data are shown. At a 0.01, can it be concluded that single drivers do more driving for pleasure trips on average than married drivers? Assume s1 16.7 and s2 16.1. Single drivers Married drivers 106 110 115 121 132 97 104 138 102 115 119 97 118 122 135 133 120 119 136 96 110 117 116 138 142 139 108 117 145 114 115 114 103 98 99 140 136 113 113 150 108 117 152 147 117 101 114 116 113 135 154 86 115 116 104 115 109 147 106 88 107 133 138 142 140 113 119 99 108 105 2