Question: 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

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.

b. Use the model to forecast demand for September, October, and November. Here, X = 9, 10, and 11, respectively.

Demand for oil changes at Garcia's Garage has been as follows: Month Number of Oil Changes January 41 February 46 March 57 April May 59 June July 60 August 62 52 51

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