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Demand for oil changes at Garcia's Garage has been as follows: Month Number of Oil Changes January 47 February 37 March 52 April 44 May 49 June 61 62 65 July August 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.)