PLEASE HELP ASAP!! 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 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$)$:

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$)$: