Question: The following ANOVA output is given. a. Compute the coefficient of determination. b. Compute the multiple standard error of estimate. c. Conduct a test of

The following ANOVA output is given.

Analysis of Variance Source Regression Residual Error Total DF SS MS 4 1050.8 262.70 20 83.8 4.19 24 1134.6 Predictor Constant X1 X2 Coefficient SE Coefficient 70.06 2.13 32.89 0.42 0.17 2.47 0.27 0.21 1.29 X3 0.75 0.30 2.50 X4 0.42 0.07 6.00

a. Compute the coefficient of determination.

b. Compute the multiple standard error of estimate.

c. Conduct a test of hypothesis to determine whether any of the regression coefficients are different from zero.

d. Conduct a test of hypothesis on the individual regression coefficients. Can any of the variables be deleted?

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