For each of the following, show how you would code dummy (indicator) variables to include in a regression model. a) Type of residence (Apartment, Condominium, Townhouse, Single family home) b) Employment status (Full-time, Part-time, Unemployed) a) Choose the correct answer below. 0 A. Three variables: One variable that is 1 for Apartment, 0 for others. One that is 1 for Condo, 0 for others. One that is 1 for Townhouse, 0 for others. 0 B. Apartment = A, Condo = C, Townhouse = T, Single family home = S O C. Apartment = 0, Condo = 1, Townhouse = 2, Single family home = 3 O D. Three variables: One variable that is Afor Apartment, B for others. One that is C for Condo, D for others. One that is E for Townhouse, F for others. b) Choose the correct answer below. 0 A. Two variables: One that is 1 for Full-time, 0 for others. One that is 1 for Part-time, 0 for others. 0 B. Fulltime = 0, Parttime =1, Unemployed = 2 O C. Full-time = F, Part-time = P, Unemployed = U O D. Three variables: One that is 1 for Full-time, 0 for others. One that is 1 for Part-time, 0 for others. One that is 1 for Unemployed, 0 for others