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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

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    https://brainmass.com/statistics/hypothesis-testing/statistics-data-474527

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

    Total sample: ...

    Solution Summary

    The expert examines randomly selected normal distribution for machine measurements.

    $2.19

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