A company has recorded data on the weekly sales for its product (y), the unit price of the competitor's product (x₁), and advertising expenditures (x₂). The data resulting from a random sample of 7 weeks follows. Use Excel's Regression Tool to answer the following questions. a.What is the estimated regression equation? b.Determine whether the model is significant overall. Use $\alpha$ = 0.10. c.Determine if price is significantly related to sales. Use $\alpha$ = 0.10. d.Determine if advertising is significantly related to sales. Use $\alpha$ = 0.10. e.Find and interpret the multiple coefficient of determination.

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The Answer of A company has recorded data on the weekly sales for its product (y), the unit price of the competitor's product (x₁), and advertising expenditures (x₂). The data resulting from a random sample of 7 weeks follows. Use Excel's Regression Tool to answer the following questions. a.What is the estimated regression equation? b.Determine whether the model is significant overall. Use $\alpha$ = 0.10. c.Determine if price is significantly related to sales. Use $\alpha$ = 0.10. d.Determine if advertising is significantly related to sales. Use $\alpha$ = 0.10. e.Find and interpret the multiple coefficient of determination.

A Company Has Recorded Data on the Weekly Sales for Its