Demand for oil changes at Garcia's Garage has been as follows: Number of Oil Changes Month...

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Demand for oil changes at Garcia's Garage has been as follows: Number of Oil Changes Month January 40 February 54 March 50 April 46 May 61 June 43 July August 57 .65 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.) b. Use the model to forecast demand for September, October, and November. Here, X = 9, 10, and 11, respectively. (Enter your responses rounded to two decimal places.) Month September October November Forecast for the number of Oil Changes Demand for oil changes at Garcia's Garage has been as follows: Number of Oil Changes Month January 40 February 54 March 50 April 46 May 61 June 43 July August 57 .65 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.) b. Use the model to forecast demand for September, October, and November. Here, X = 9, 10, and 11, respectively. (Enter your responses rounded to two decimal places.) Month September October November Forecast for the number of Oil Changes