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    Test of hypothesis using ANOVA

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    For the following sample information, test the hypothesis at the .05 significance level that the treatment means are equal.

    Treatment 1 Treatment 2 Treatment 3
    9 13 10
    7 20 9
    11 14 15
    9 13 14
    12 15
    10

    a. State the null hypothesis and the alternate hypotheses.
    b. What is the decision rule?
    c. Compute SST, SSE, and SS total.
    d. Complete an ANOVA table.
    e. State your decision regarding the null hypothesis.

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    Solution Summary

    Tests the hypothesis at the .05 significance level that the treatment means are equal.

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