Develop two exponential smoothing forecasts for periods 2 through 11. For the rst forecast, use a =

Question:

Develop two exponential smoothing forecasts for periods 2 through 11. For the ﬁrst forecast, use a = 0.2. For the second, use a = 0.7. Assume that your forecast for period 1 was 250. Plot the results. Which model appears to work better? Why?
PERIOD DEMAND
1............ 221
2............ 247
3............ 228
4............ 233
5............ 240
6............ 152
7............ 163
8............ 155
9............ 167
10............ 158