Mathematics, 07.05.2020 03:09 mathnation1

There are four auto body shops in Bangor, Maine, and all claim to promptly repair cars. To check if there is any difference in repair times, customers are randomly selected from each repair shop and their repair times in days are recorded. The output from a statistical software package is: Is there evidence to suggest a difference in the mean waiting times at the four body shops? Use the 0.05 significance level. Compute the critical value. (Round your answer to 2 decimal places.) State the decision regarding the null hypothesis.

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There are four auto body shops in Bangor, Maine, and all claim to promptly repair cars. To check if...