Question: Time Series Trend Regression a. Use simple linear regression analysis to develop a forecasting model for monthly demand. In this application, the dependent variable, Y,

Time Series Trend Regression a. Use simple linear

Time Series Trend Regression 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. Prepare a trend regression forecast for September - December. Number of Oil Changes Regression Month (x) (Y) Forecast 1 38 SLOPEN 2 38 INTERCEPT= 3 46 4 59 5 62 6 45 January February March April May June July August September October November December 7 65 8 73 9 10 11 12

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