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The following data (in pounds), which were selected randomly from a normally distrubuted population of values, represent mearsurements of a machine part that is supposed to weigh, on average, 8.3 pounds.

Total sample: 20

Use the data at alpha = .01 to test the hypothesis that the parts average 8.3 pounds.

8.1, 8.4, 8.3 ,8.2, 8.5, 8.6, 8.4 ,8.3 ,8.4 ,8.2,

8.8, 8.2, 8.2, 8.3, 8.1, 8.3, 8.4, 8.5, 8.5, 8.7

Reference no: EM13109183

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