Ejercicio Grupal - d. Determine the coefficient of...

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8. Consider again the Sherwing-Williams Company example discussed in this chapter(see Table 4.1). Suppose one is interested in developing a multiple regression model with paint sales (Y) as the dependent variable and promotional expenditures (A) and selling price (P) as the independent variables. a. Determine the estimated regression line. b. Give an economic interpretation of the estimated slope(bs) coefficients. c. Test the hypothesis (at the 5 % level of significance) that there is no relationship between the dependent variable and each of the independent variables.
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Unformatted text preview: d. Determine the coefficient of determination. e. Perform an analysis of variance on the regression, including an F- test of the overall significance of the result (at the 5% level). f. Based on the regression model, determine the best estimate of paint sales in a sales region where promotional expenditures are $80(000) and the selling price is $12.50. g. Determine the point promotional and price elasticities at the values of promotional expenditures and selling price given in part (f)....
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