# Question: Is the amount of money spent by companies on advertising

Is the amount of money spent by companies on advertising a function of the total revenue of the company? Shown are revenue and advertising cost data for nine companies published by Advertising Age.

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

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

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