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a) Forecast the monthly demand for Year 6 using the trend projection only. Report your forecast. What are the values of MAD, MAPE, MSE, and
a) Forecast the monthly demand for Year 6 using the trend projection only. Report your forecast. What are the values of MAD, MAPE, MSE, and TS?
b) Forecast the monthly demand for Year 6 using the trend & seasonality adjustment. Report your forecast. What are the seasonal factors for each month? What are the values of MAD, MAPE, MSE, and TS?
c) Based on your analysis, should you consider the seasonality in the forecast? Why or why not?