could someone help me with this question please.

A corporation owns several companies. The strategic planner for the corporation believes dollars spent on advertising can to some extent be a predictor of tot 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 (x) (y) 12.5 151 3.7 55 20.9 338 60.0 994 37.6 531 6.1 89 16.4 126 41.2 379 * 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 = 108.8, and the equation of the regression line, y = -42.66 + 15.14 x. Do not round the intermediate values. Round your answers to 2 decimal places. * X 162.87 357.51 S E()20) S