Is the amount of money spent by companies on advertising a function of the total sales of

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Is the amount of money spent by companies on advertising a function of the total sales of the company? Show are sales income and advertising cost data for seven companies published by Advertising Age.


Is the amount of money spent by companies on advertising


Use the data to develop a regression line to predict the amount of advertising by sales. Compute se and r2. Assuming = .05, test the slope of the regression line. Comment on the strength of the regressionmodel.

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