Question

Question 2 Use the data from Question 1 of Homework 5, with the variables delivery time (), the number of cases of product stocked (Xi) and the distance walked by the route driver (X3) with 24 observations on the delivery times. Number of Cases, ·x, Delivery Time, r 16.68 Distance, 560 4 150 (A) 10.75 a) Calculate SSRXi X2). b) Calculate SSR(XiX21 Xi,X) c) Test to see if the interaction term is useful in the model d) Calculate SSR(AİX2M2.X22, Xi, X3) and MSR(AİX2,Aİ,XGIAİ,Xe) e) Perform a nested models test to test Ho: β, A-,-0 in the model: Y-β° + ßX, + β2X 2 + β)x,x,+p.x? + β.xī +ε Which model would you use when trying to predict the delivery time?

Answer 1