Interpreting regression data. A marketing manager of a company used a pocket calculator to estimate the relation between sales dollars for the past 3 years and monthly advertising expenditures (the independent variable). The regression results indicated the following equation:

Do these results imply that advertising hurts sales? Why would there appear to be a negative relation between advertising expenditures and sales?

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Sales Dollars = $97,000 (1.45 x Advertising Dollars)