Question: 187 Data collected on the yearly registrations for a Six Sigma seminar at the Quality College are shown in the following table. 3 o 1

187 Data collected on the yearly registrations

187 Data collected on the yearly registrations for a Six Sigma seminar at the Quality College are shown in the following table. 3 o 1 2 3 4 5 6 7 8 9 10 11 Year Registrations 17- 16- 157 14- 13- 12- 3 5 4 4 9 8 6 10 11 14 12 (000) This exercise contains only part c. c) The graph to the right shows the actual registrations, registrations forecasted using a 3-year moving average, and registrations forecasted using a 3-year weighted moving average. Which method seems to be able to forecast better? (Refer to the legend or hover your mouse over any plot.) OO 00NOLO O A. A 3-year weighted moving average is significantly better. O B. A 3-year moving average is significantly better. O C. The forecasts are about the same. o 5 6 10 11 12 Year Blue Line = Actual Registrations Red Line = 3-year Moving Average Pink Line = 3-year Weighted Moving Average

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