BUSINESS STATISTICS

The following estimated regression equation has been proposed to predict sales at a fast food outlet. J =18 - 2xj + 7x2 + 15x3 where x1 = the number of competitors within 1 mile *2 = the population within 1 mile (in 1000s) 13 = I if drive-up windows are present; 0 otherwise 1 = estimated sales (in $1000s) a. What is the interpretation of 15 (the coefficient of xy) in the regression equation? Predict sales for an outlet with 2 competitors, a population of 10.000 within one mile, and one b Inve-up window (give the answer in dollars). Predict sales for an outlet with 2 competitors, a population of 10,000 within fine mile, and no drive-up window (give the answer in dollars)