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    One Way ANOVA: Lowering Cholesterol

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    A medical researcher wants to try three different techniques to lower cholesterol levels. The subjects are randomly selected and assigned to one of three groups. Group 1 is given medication, Group 2 is given an exercise program, and Group 3 is assigned a diet program. At the end of six weeks, each subject's cholesterol level is recorded.

    Group 1 Group 2 Group 3
    13 2 12
    12 2 12
    11 5 4
    15 3 8
    9 4 9
    8 0 6

    State the requirements that must be satisfied in order to use the one-way ANOVA procedure.
    #2 Find the critical F-value to test the hypothesis that there is no difference among the means. Use α = .05
    #3 Find the test F statistic to test the hypothesis that there is no difference among the means. Use α = 0.05.

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    This solution gives the step by step method for ANOVA.

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