Data collected on the yearly registrations for a Six Sigma seminar at the Quality College are shown in the following table. Year 1 2 Registrations (000) 5 5 3 4 5 6 7 8 9 10 11 3 6 9 7 8 9 11 16 12 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.) A. A 3-year moving average is significantly better. B. A 3-year weighted moving average is significantly better. C. The forecasts are about the same.

Data collected on the yearly registrations for a Six Sigma seminar at the Quality College are shown in the following table. 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.) A. A 3-year moving average is significantly better. B. A 3-year weighted moving average is significantly better. C. The forecasts are about the same. Red Line = 3-year Moving Average Pink Line =3-year Weighted Moving Average