posted by iyra on .
Refer to the following table which contains the sales (in $,000) for a department store for the first ten months of the year.
Using a three period moving average [i.e. MA(3)] as a forecasting method, what is the MSE for this forecasting model?
Using a simple exponential smoothing (with a smoothing constant of 0.2) as a forecasting method, what is the MAPE for this forecast model ________ % ?