A manufacturer makes ball bearings that are supposed to have a mean weight of 30 g. A retailer suspe
Question: A manufacturer makes ball bearings that are supposed to have a mean weight of 30 g. A retailer suspects that the mean weight is actually less than 30g. The mean weight for the random sample of 16 ball bearings is 29.5 g. with a standard deviation of 4.4 g. At the 0.05 level of significance test the claim that the mean weight is less than 30 g.
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Type of Deliverable: Word Document
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