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    Comparing two or more samples

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    A manufacturer of automobile transmissions uses three different product processes produce its product. The management ordered a study of the production costs to see if there is a difference among the three production processes. A summary of the findings is shown below.

    Process 1 Process 2 Process 3 Total
    Process Totals ($100's) 137 108 107 352
    Sample Size 10 10 10 30
    Sum of Squares 1893 1188 1175 4256

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    https://brainmass.com/statistics/hypothesis-testing/comparing-two-more-samples-23863

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    This solution discusses comparing two or more samples.

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