42. To compare two kinds of front-end designs, six of each kind were installed on a certain make of compact car. Then ea

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42 To Compare Two Kinds Of Front End Designs Six Of Each Kind Were Installed On A Certain Make Of Compact Car Then Ea 1 (54.12 KiB) Viewed 22 times

42. To compare two kinds of front-end designs, six of each kind were installed on a certain make of compact car. Then each car was run into a concrete wall at 5 miles per hour, and the following are the costs of the repairs (in dollars): Design 1: 127 168 143 165 122 139 Design 2: 154135 132 171 153 149 Use the four steps in the initial part of Section 1 to test I at the 0.01 level of significance whether the difference between the means of these two samples is significanti