Demand for oil changes at Garcia's Garage has been as follows: Month January February March April May June 58 July August 54 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) Number of Oil Changes 34 50 38892883 60 45 53 56