Develop a three-period moving average forecast for April 2012 through January 2013. Calculate the MFE, MAD, and MAPE values for April through December 2012.
MONTH DEMAND
January 2012 119
February............ 72
March............ 113
April............ 82
May............ 82
June............ 131
July............ 111
August ............ 116
September............ 89
October............ 95
November............ 88
December............ 90