Question: Refer to the previous exercise a Would the results of your

Refer to the previous exercise.
a. Would the results of your analysis change if for the second Bumper A the repair cost was $9000 instead of $2500? What does this illustrate about the analysis?
b. Suppose the company actually wanted to compare three bumper types. Which significance test could they use to do this if they did not want to assume that the repair costs have a normal distribution for each bumper type?
Previous exercise
An automobile company compares two types of front bumper for their new model by driving sample cars into a concrete wall at 15 miles per hour. The response is the amount of damage to the car, as measured by the repair costs, in dollars. Due to the costs, the study uses only six cars, obtaining results for three bumpers of each type. The results are in the table.

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