Data collected on the yearly registrations for a Sx Sigma seminar at the Qualify College are shown in the following table: This exereise contains only parts a and b. a) Using a 3-year moving average, the forecasted registrabions (in thousands) for years 4 through 12 are (round your responses fo one decimal place): b) Ueing a 3-year woightod moving avorage in which the registrations in the most recent year are given a woight of 2, and registrations in the other 2 years are each given a weight of 1 , the forecasted regatrations (in thousands) for years 4 through 12 are (round your responses to one decimal place)