Demand for oil changes at Garcia's Garage has been as follows: IT Month January February March April May June July August Number of Oil Changes 51 51 59 50 68 44 67 57 a. Use simple linear regression analysis to develop a forecasting model for monthly demand. In this application, the dependent variable, Y, is monthly demand and the independent variable, X, is the month. For January, let X = 1; for February, let X=2; and so on. The forecasting model is given by the equation Y = + X. (Enter your responses rounded to two decimal places.)