Question 6 [9 marks] A corporation owns several shops. The strategic planner for the corporation believes dollars spent on advertising might 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 shops for 2016 (S millions). Sales 148 55 338 Advertising 12.5 3.7 21.6 60.0 37.6 6.1 16.8 41.2 994 541 89 126 379 Develop the equation of the simple regression line to predict sales from advertising expenditures using these data