# 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.

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