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 Interpretation of Regression Results Brodie Company’s advertising manager wants to know whether the company’s advertising program is successful. The manager used a spread sheet program to estimate the relation between advertising expenditures (the independent variable) and sales dollars. Monthly data for the past two years were entered into the program. The regression results indicated the following relation: Sales dollars $169,000 ($200 Advertising expenditures) Correlation coefï¬cient .864  these results seemed to imply that advertising was reducing sales. The manager was about to conclude that statistical methods were so much nonsense when you walked into the room.
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Order Paper Now Help the manager. What might cause the negative relationship between advertising expenditures and sales? Â
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