Mathematics, 13.06.2021 04:30 1kafran1

A digital camcorder repair service has set a goal not to exceed an average of 5 working days from the time the unit is brought in to the time repairs are completed. A random sample of 12 repair records showed the following repair times ( in days): 7,6,6,6,3,5,5,6,7,4,6,7. Calculate the test statistic.

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