15 Practice Solns

# 15 Practice Solns - Solutions to BUAD 310 In-Class Practice...

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- 1 - Solutions to BUAD 310 In-Class Practice 11/15/10 I. Multiple Regression Output to Predict Total Domestic Gross (1) The regression equation is Total domestic gross = 6.17 + 1.01 Budget - 15.0 Sequel + 19.6 Christmas release - 19.7 Ebert no + 10.8 Comedy + 11.8 Childrens Predictor Coef SE Coef T P Constant 6.166 6.002 1.03 >0.05 Budget 1.0117 0.1147 8.82 0.000 Sequel -14.98 14.72 -1.02 >0.05 Christmas release 19.58 13.57 1.44 0.152 Ebert no -19.699 9.267 -2.13 <0.05 Comedy 10.752 7.498 1.43 0.154 Childrens 11.78 12.41 0.95 0.345 S = 36.5253 R-Sq = 45.2% R-Sq(adj) = 42.5% Analysis of Variance Source DF SS MS F P Regression 6 135323 22554 16.91 <0.05 Residual Error 123 164094 1334 Total 129 299417 (2) The regression equation is Total domestic gross = 7.12 + 1.02 Budget - 14.5 Sequel + 21.7 Christmas release - 20.0 Ebert no + 9.61 Comedy Predictor Coef SE Coef T P Constant 7.124 5.915 1.20 0.231 Budget 1.016 0.1146 8.86 <0.05 Sequel -14.47 14.70 -0.98 0.327 Christmas release 21.73 13.38 1.62 0.107 Ebert no -19.952 9.259 -2.15 0.033 Comedy 9.613 7.398 1.30 0.196 S = 36.5105 R-Sq = 44.8% R-Sq(adj) = 42.6% Analysis of Variance Source DF SS MS F P Regression 5 134122 26824 20.12 <0.05 Residual Error 124 165294 1333 Total 129 299417

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- 2 - (3) The regression equation is Total domestic gross = 10.8 + 0.961 Budget + 22.7 Christmas release - 20.9 Ebert no Predictor Coef SE Coef T P Constant 10.790 5.253 2.05 0.042 Budget 0.9614 0.1103 8.72 0.000 Christmas release 22.68 13.39 1.69 0.093 Ebert no -20.883 9.278 -2.25 0.026 S = 36.6494 R-Sq = 43.5% R-Sq(adj) = 42.1% Analysis of Variance Source DF SS MS F P Regression 3 130176 43392 32.31 0.000 Residual Error 126 169241 1343 Total 129 299417 (4) The regression equation is Total domestic gross = 11.9 + 0.970 Budget - 21.0 Ebert no
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15 Practice Solns - Solutions to BUAD 310 In-Class Practice...

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