b) Develop a multiple regression model with all independent variables except (number of offers changes) included in the model for Region 1. i. Determine the estimated regression line. ii. Give an economic interpretation of the coefficients. iii. Test the hypothesis that there is no relationship between the dependent variable and the independent variable. iv. Determine the coefcient of determination. v. Perform analysis of variance including an F test of the overall significance vi. Determine the best estimate of sales of ABC health club in June 2020. v. Determine the point price elasticity and income elasticity based on vi). Interpret your answers