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Refer to the following table which contains the sales (in $,000) for a department store for the first ten months of the year.
Refer to the following table which contains the sales (in $,000) for a department store for the first ten months of the year.
Month
Sales
January
440
February
480
March
590
April
400
May
500
June
550
July
470
August
500
September
600
October
520
Using a three period moving average (i.e. MA(3)) as a forecasting method, what is the MAD for this forecasting model?