1. Using Simple Linear Regression, 160 develop a demand model for KFC sale 150 15.00 19.00 from the changes in advertising in the 2 220 160 13.50 17.50 10 outlets (show your calculation in a 140 50 16.50 14.00 worksheet) 4 190 190 14.50 21.00 2. Suppose KFC spend RM200,000 for 5 130 90 17.00 15.50 advertising expenditure, what is the predicting KFC sales in the 10 outlets ? 6 160 60 16.00 14.50 7 200 140 13.00 21.50