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2. The following data [in pounds), which were selected randomlyr from a normally distributed population of values, represent measurements of a machine part that is

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2. The following data [in pounds), which were selected randomlyr from a normally distributed population of values, represent measurements of a machine part that is supposed to weigh, on average, 8.3 pounds. 8.1 8.4 8.3 8.2 8.5 8.5 8.4 8.3 8.4 8.2 Use these data and a = .01 to test the hypothesis that the parts average 8.3 pounds

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