Question: The Minitab output displayed here is the result of a multiple regression analysis with three independent variables. Variable x1 is a dummy variable. Discuss the

The Minitab output displayed here is the result of a multiple regression analysis with three independent variables. Variable x1 is a dummy variable. Discuss the computer output and the role x1 plays in this regression model.

The regression equation is Y-121 + 13.4 x,-0.632 X2 + 1.42 X3 Predictor Constant Coef 121.31 13.355 Stdev 11.5610.50 4.714 . 000 2.83.014 015 0.43 .678 0.63220.2270 2.79 1.421 3.342 S- 7.041 R-sq-79 . 5% R-sq(adj ) 74.7% = Analysis of Variance df Source Regression Error Total MS 3 2491.98 830.66 16.76 13 . 000 644.49 16 3136.47 49.58

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