Assignment:
Problems through 21 are based on the following data. Observations of the demand for a certain part stocked at a parts supply depot during the calendar year 2013 were
|
Month
|
Demand
|
Month
|
Demand
|
|
January
|
89
|
July
|
223
|
|
February
|
57
|
August
|
286
|
|
March
|
144
|
September
|
212
|
|
April
|
221
|
October
|
275
|
|
May
|
177
|
November
|
188
|
|
June
|
280
|
December
|
312
|
What would an MA(1) forcasting method mean? Compare the accurancy of MA(1) and MA(4) forcasts for july through December 2013.