Question: Data collected on the yearly registrations for a Six Sigma seminar at the Quality College are shown in the following table: a. Develop a 3-year

Data collected on the yearly registrations for a

Data collected on the yearly registrations for a Six Sigma seminar at the Quality College are shown in the following table: a. Develop a 3-year moving average to forecast registrations from year 4 to year 12 . What is the forecast? What is the MAD? b. Estimate demand again for years 4 to 12 with a 3-year weighted moving average in which registrations in the most recent year are given a weight of 2 , and registrations in the other 2 years are each given a weight of 1 . What is the forecast? What is the MAD? c. Use exponential smoothing with ( a=.47), assume the initial period forecast is 5 . What is the forecast for the next period? What is the MAD? d. Based on Error Analysis, which of the forecasting methods seems better

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