please help.. a question from materials management...

Data collected on the yearly registrations for a Six Sigma seminar at the Quality College are shown in the following table: 1 2. Year Registrations (000) 4 5 6 7 8 9 10 4.0 7.0 3.0 4.0 11.0 9.0 70 9.0 13.0 12.0 12.0 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): Year 4 5 6 7 8 9 10 12 Forecast 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 4 5 6 8 9 10 11 12. Forecast Enter your answer in each of the answer boxes