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    Hypothesis testing

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

    Treatment 1 Treatment 2 Treatment 3
    8 3 3
    11 2 4
    10 1 5
    3 4
    2

    a. State the null and alternate hypothesis
    b. What's the decision rule?
    c. Compute SST, SSE, and SS total
    d. Complete an ANOVA table
    e. State your decision regarding the null hypothesis
    f. If Ho is rejected can we conclude that treatment 1 and treatment 2 differ? Use the 95% level of confidence.

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