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    ANOVA testing

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    Sample Set 1 Sample Set 2 Sample Set 3
    12 9 9
    7 10 11
    11 11 10
    10 2 12
    8 8 7
    6 7 10

    A. Find the mean of each sample set.
    B. Find the variance of each sample set.
    C. Find the variance of the sample means.
    D. Find the variance between samples and the variance within samples.
    E. Find the F test statistic.

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    Solution Summary

    Step by step method for testing the hypothesis under 5 step approach is discussed here. Excel template for each problem is also included. This template can be used to obtain the answers of similar problems.