Data collected on the yearly registrations for a Six Sigma seminar at the Quality College are shown in the following table 8 9 110 4 5 8 Year 1 2 3 4 5 6 7 10 11 Registrations (000) 40 60 4.0 60 90 70 70 11.0 140 120 This exercise contains only parts a and b. a) Using a 3-year moving average, the forecasted registrations (in thousands) for yoars through 12 ate (round your responses to one decimal place) Year B 7 9 10 11 12 Forecast 47 53 6.3 73 77 83 07 120 123 b) Using a 3 year weighted moving average in which the registrations in the most recent your are given a weight of 2 and registrations in the other 2 years are each given a weight of the forecasted registrations (in thousands) for years 4 through 12 are (round your responses to one decimal place) Year 4 5 7 8 12 Forecast 6 9 10 11