Consider the context of the previous “What Do You Think” that concerns the effects of couponing supermarket customers.a. How would you define a dummy variable called Coupon to represent those who use store coupons at checkout?5b. What does the average of the dummy variable Coupon tell you?6c. How would you define the interaction between Coupon and FamilySize?7d. Describe the scatterplot of the interaction Coupon FamilySize on FamilySize.8

Consider the context of the previous “What Do You Think” that concerns the effects of couponing supermarket customers. a. How would you define a dummy variable called Coupon to represent those who use...

Consider the context of the previous “What Do You Think” that concerns the effects of couponing supermarket customers.

a. How would you define a dummy variable called Coupon to represent those who use store coupons at checkout?⁵

b. What does the average of the dummy variable Coupon tell you?⁶

c. How would you define the interaction between Coupon and FamilySize?⁷

d. Describe the scatterplot of the interaction Coupon
FamilySize on FamilySize.⁸

May 04, 2022