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1) Please find the partially completed multiple regression analysis below, which explores the relationship betwen the sales (in hundreds) and the independent variables price(in dollars), promotional expenditure(in hundreds of dollars) and the quality score (0-100) for a very popular Cbristmas season toy The regression equation is Sales -3432-0.23 Price + 2.7 Promotional exp + 0.22 Quality Predictor Constant Price Promotional exp 2.704 Quality Coef Standard Errorl SE Coef T P VIF 343.20 62.59 -0.23358 0.0373 2.415 1.047 10.387 0.2204 0.1429 R-Sq = Analysis ot Variance Source Regression Residual Error Total DF SS MS F 2847.78 15 3933.40 Is the factor promotional exp significant at a=.05? Perform the test of hypothesis.
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