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

Question 25

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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. The following is part of the results of a regression analysis involving sales (y in millions of dollars), advertising expenditures (x<sub>1</sub> in thousands of dollars), and number of salespeople (x<sub>2</sub>) 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.
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 α\alpha = 0.05, test for the significance of the coefficient of advertising.
c.At α\alpha = 0.05, test for the significance of the coefficient of the number of salespeople.

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a.$540,000,000
b.t = 3.2 > 2.3...

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