(58%) The marketing manager of a large supermarket chain would like to use shelf space to predict the sales of pet food. A random sample of 12 equal-sized stores is selected, with the following results: 1 2 3 4 5 6 7 8 9 10 ll 12 Shelf Space (feet) 5 5 5 10 10 10 15 15 15 20 20 20 Weekly Sales($) 160 220 140 190 240 260 230 270 280 260 290 310 (d) Obtain the ANOVA table for regression analysis using the above data. (5%) (e) Using the AN OVA table in (d), re-test the usefulness of the established model. (5%) (i) What are the model and distributional assumptions of a simple linear regression model? (10%)