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 2009 ($ millions). Advertising Sales (v) 12.5 3.7 140 55 338 994 21.1 60.0 37.6 6.1 16.0 41.2 540 89 126 379 | Your answer is incorrect. Try again. Construct a 98% confidence interval for the average value of y for the given data; use x = 20, se = 108.0, and the equation of the regression line, ) --44.85 + 15.24 x. Do not round the intermediate values. Round your answers to 2 decimal places. -209.63 s Ely20) s 292.78 By accessing this Question Assistance, you will learn while you earn points based on the Point Potential Policy set by your instructor