1. The following table contains the number of complaints received in a department store for the first six months of operation. If a three-month moving average is used to smooth this series, what would...

1. The following table contains the number of complaints received in a department store for the first six months of operation.

If a three-month moving average is used to smooth this series, what would have been the

forecast for May? 2. The following tabulations are actual sales of units for six months and a starting forecast in January. (Answers in Appendix D)

a.
Calculate forecasts for the remaining five months using simple exponential smoothing

with
α
= 0.2.

b.
Calculate MAD for the forecasts.