Table 2 Forecast 2: Weighted Moving Average, Weights = 0.6 (most recent period), 0.3, and 0.1
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