The following is part of the results of a regression analysis involving sales (y in millions of dollars), advertising expenditures (x₁ in thousands of dollars), and number of salespeople (x₂) for a corporation. The regression was performed on a sample of 10 observations. a.If the company uses $40,000 in advertisement and has 30 salespersons, what are the expected sales? Give your answer in dollars. b.At $\alpha$ = 0.05, test for the significance of the coefficient of advertising. c.At $\alpha$ = 0.05, test for the significance of the coefficient of the number of salespeople.

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The Answer of The following is part of the results of a regression analysis involving sales (y in millions of dollars), advertising expenditures (x₁ in thousands of dollars), and number of salespeople (x₂) for a corporation. The regression was performed on a sample of 10 observations. a.If the company uses $40,000 in advertisement and has 30 salespersons, what are the expected sales? Give your answer in dollars. b.At $\alpha$ = 0.05, test for the significance of the coefficient of advertising. c.At $\alpha$ = 0.05, test for the significance of the coefficient of the number of salespeople.

The Following Is Part of the Results of a Regression α\alphaα

The Following Is Part of the Results of a Regression $\alpha$