Quiz5c_KEY_Sp11

Quiz5c_KEY_Sp11 - Name_KEY C 23 March 2011 IE330 Spring...

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Name: _________________KEY_____________________ C 23 March 2011 IE330 Spring 2011 Closed book, closed notes, no calculators Quiz #5c
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Name: _________________KEY_____________________ C
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Name: _________________KEY_____________________ C
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Name: _________________KEY_____________________ C For each of the questions on the back side of this sheet, assume the assumptions of the regression have been met, and refer to the following regression: The regression equation is Sales = 386 + 320 LastMonthSales - 77.4 SeasonRank - 282 DowChangePercent - 35 SalesTwoMonthsAgo - 292 SalesProjMgr1 + 36 SalesProjMgr2 Predictor Coef SE Coef T P Constant 386 1690 0.23 0.828 LastMonthSales 319.7 221.9 1.44 0.209 SeasonRank -77.36 70.39 -1.10 0.322 DowChangePercent -282 1975 -0.14 0.892 SalesTwoMonthsAgo -34.7 196.5 -0.18 0.867 SalesProjMgr1 -292.3 203.9 -1.43 0.211 SalesProjMgr2 35.7 196.7 0.18 0.863 S = ________ R-Sq = 94.5% R-Sq(adj) = 87.9% Analysis of Variance Source DF SS MS F P Regression 6 2085705 347617 14.26 ______ Residual Error 5 121856 Best Subsets:
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