Question: A machine is set to cut metal plates to a length of 44.350 mm. The lengths of a random sample of 24 metal plates have

A machine is set to cut metal plates to a length of 44.350 mm. The lengths of a random sample of 24 metal plates have a sample mean of x- = 44.364 mm and a sample standard deviation of .v = 0.019 mm. Is there any evidence that the machine is miscalibrated?

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