18. The following is output from regression analysis performed to develop a mode

Question

18. The following is output from regression analysis performed to develop a model for predicting a firm's Price-Earnings Ratio (PE) based on Growth Rate, Profit Margin, and whether or not the firm is Green (1-Yes, 0 No) The regression equation is PE8.04+ 0.757 Growth Rate 0.0516 Profit Margin + 2.09 Green? Predictor Constant Growth Rate Profit Margin 0.05162 0.03239 1.59 0.139 Green? Coef SE Coef 8.043 1.570 5.12 0.000 0.7569 0.1355 5.59 0.000 2.0900 0.7945 2.63 0.023 S=1.12583 R-Sq-87.8% Analysis of Variance DF MS Source Regression Residual Error 11 13.942 1.267 Total 3 100.709 33.570 26.48 0.000 14 114.651 Based on the F-statistic and associated p-value, we can conclude at = .05 that A. the regression equation is not significant. B. all independent variables in the model are significant. C. the regression equation is significant. D. none of the independent variables in the model are significant. E. both B and C

Explanation / Answer

18) C

19) C

20)

a)(-5.665, -0.9260)

b) Moderately good.

c) Tke some other independent variable which best explains the change in Ductility. Else fit non linear regression model of carry out transformations.

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