Given the actual data on the left what is the forecast for p

Given the actual data on the left, what is the forecast for period 6, using a four-period weighted moving average with weights of .1, .2, .3 and .4 (greater weight towards more recent time)?

Period Demand

1 19

2 20

3 18

4 19

5 17

Solution

Answer: Period Demand Weights weighted moving average 1 19 0.1 2 20 0.2 3 18 0.3 4 19 0.4 18.9 5 17 18.1