Question Help Problem 4.10ab Data collected on the yearly registrations for a Six Sigma seminar at the Quality College are shown in the following table: 8 9 1 3.0 5 10.0 6 7.0 7 6.0 10 16.0 50 11 15.0 11.0 Year 4 Year 2 3 4 Registrations (000) 5.0 4.0 9.0 This exercise contains only parts a and b. a) Using a 3-year moving average, the forecasted registrations (in thousands) for years 4 through 12 are (round your responses to one decimal place). 6 Forecast 4.7 63 7.7 8.7 b) Using a 3-year weighted moving average in which the 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, the forecasted registrations (in thousands) for years 4 through 12 are (round your responses to one decimal place). Year 5 8 Forecast 5 8 10 7 7.0 9 7.3 11 120 12 14.0 4.3 4 6 7 9 10 11 12