Use exponential smoothing with 2 between 0.1 and 0.4 to get forecasts one period ahead for the following time series. Use an initial value of F 1 = 208 and say which value of 2 is best.
t
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
Demand
|
212
|
216
|
424
|
486
|
212
|
208
|
208
|
204
|
220
|
200
|