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A corporation owns several companies. The strategic planner for the corporation believes dollars spent on advertising can to some extent be a predictor of total
A corporation owns several companies. The strategic planner for the corporation believes dollars spent on advertising can to some extent be a predictor of total sales dollars. As an aid in long-term planning, she gathers the following sales and advertising information from several of the companies for a particular year ($ millions]. Advertising Sales 12.5 145.0 3.7 55.0 21.2 338.0 60.0 994.0 37.6 545.0 6.1 89.0 16.6 126.0 41.2 379.0 Develop the equation of the simple regression line to predict sales from advertising expenditures using these data. {Do not round the intermediate values. Round your answers to 3 decimal places, e3. 12.758.) 5": l+l x
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