Table 1 Forecast 1: Simple Moving Average, n= 3
(a)	(b)	(c)	(d)	(e)
Period	2015 Actual Shipments	3 Period Moving Average	3 Period Forecasted Shipments	Error
January	400	X	X	X
February	900	X	X	X
March	600		X	X
April	600
May	500
June	700
July	1,100
August	1,000
September	500
October	500
November	1,100
December	1,630
Total Year	9,530
X-bar
Bias
Bias X-bar
Absolute Deviation
Absolute Deviation x-bar