The following are partial 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.At $\alpha$= 0.05,test for the significance of the coefficient of advertising. b.If the company uses $20,000 in advertisement and has 300 salespersons,what are the expected sales? (Give your answer in dollars. )

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The Answer of The following are partial 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.At $\alpha$= 0.05,test for the significance of the coefficient of advertising. b.If the company uses $20,000 in advertisement and has 300 salespersons,what are the expected sales? (Give your answer in dollars. )

The Following Are Partial Results of a Regression Analysis Involving α\alphaα

The Following Are Partial Results of a Regression Analysis Involving $\alpha$