I am having a hard time calculating the average forecast error for september using a four period moving average.
Month actual demand forecast demand Avg forecast error
July 30 30
Aug 45 32.5
How do I determine sept demand to get the avg forecast error or do I need it?© BrainMass Inc. brainmass.com October 9, 2019, 10:12 pm ad1c9bdddf
Using four period moving average, demand forecast for Sept is (May ...
The solution shows calculation of the average forecast error for September using a four period moving average.