In designing a cockpit for a boeing aircraft, the overhead grip reach of a seated pilot is being considered as an important factor for placement of landing light switches to be located directly above the pilot. Listed below are the measured overhead grip reaches (cm) of a simple random sample of women (based on anthropometic data from Gordan, Churchill, et al.) Use a 0.01 significance level to test the claim that mean overhead grip to test the claim that women is less than the value of 123 cm that is being planned for an aircraft.

120 115 130 123 118 118 116

121 119 131 125 119 124 122

121 129 125 126 115 122

Analyzing the Results

A. It is not too difficult to conduct the hypothesis test, but is that hypothesis test the best tool for determining whether the value of 123 cm suitable? If not, determine whether 123 cm is suitable, and if it is not suitable, find a value that is suitable.

B. In this application, why does it make sense to ignore the overhead grip reach of men?

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