With reference to Exercise 13.42, use suitable statistical software to find the P-value corresponding to the observed value of the test statistic. Use this P-value to rework the exercise.
In exercise
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 127 168 143 165 122 139 Design 2 154 135 132 17 153 149