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The marketing research department of a large company knows that the company's monthly sales are influenced by the way in which it spends money on marketing. For example, monthly expenditures such as the ones listed below are known to have an effect on y, the company's total monthly sales (in millions of dollars). x1 = money spent on television advertising (in 1000's of dollars) x : money spent on promotion (i.e., free samples) 2 x3 = money spent on newspaper advertising (in 1000's of dollars) x : average discounts offered to retail outlets (in 9/0) 4 Using data from the previous 39 months, the company decides to collect data on 7 of the independent variables to use in a multiple regression model for estimating monthly sales. If the R2 for this model is 0.71, ll in the missing entries in the ANOVA table associated with this model. Do all calculations to at least three decimal places. Source of Degrees of Sums of Mean . . . . F statistic variation Freedom squares squares Regression III I] I] [I Error I] 40 I] Total I] I]