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    Chi-square test and number of breakdowns

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    A company operates four machines during three shifts each day. From production records, the data in the table below were collected. At the .05 level of significance test to determine if the number of breakdowns is independent of the shift.

    Machine
    Shift A B C D
    1 41 20 12 16
    2 31 11 9 14
    3 15 17 16 10

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    Statistics
    A company operates four machines during three shifts each day. From production records, the data in the table below were collected. At the .05 level of significance test to determine if the number of breakdowns is independent of the shift.

    Machine
    Shift A B C D
    1 41 20 12 16
    2 31 11 9 14
    3 15 17 16 10
    Answer
    H0: The ...

    Solution Summary

    The chi-square test and number of breakdowns are examined.

    $2.19

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