bookings are related to the mean income in those cities and has collected the following data: a. Develop a linear regression model of monthly airline bookings as a function of income. b. Use the process described in the chapter to evaluate your results. c. Make the point and approximate 95 percent confidence interval estimates of monthly airline bookings for another city in which MVTA is considering opening a branch, given that income in that city is 5351,1320. 9. ICarolina 1Wood Products, Inc., a major manufacturer of household furniture, is interested in predicting expenditures