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    Hypothesis Testing:ANOVA and Regression Coefficients

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    Predictor Coef StDev
    Constant -150 90
    X1 2000 500
    X2 -25 30
    X3 5 5
    X4 -300 100
    X5 0.60 0.15

    Source DF SS MS F
    Regression 5 1,500.00
    Error 15
    Total 20 2,000.0

    a. Complete the ANOVA table.
    b. Conduct a global test of hypothesis, using the .05 significance level. Can you conclude that any of the net regression coefficients are different from zero?
    c. Conduct a test of hypothesis on each of the regression coefficients. Could you delete any of the variables?

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    Solution Summary

    This solution gives the step-by-step method for ANOVA and testing of regression coefficients.