Egg sales are a major concern at MV Grocery. The following gives the demand for the past eight weeks (in dozens).
Week Dem
1......................... 250
2......................... 200
3......................... 220
4 ......................... 190
5 ......................... 230
6 ......................... 240
7 ......................... 260
8......................... 230
a. Using a two-week moving average, develop forecasts for weeks 6 through 9.
b. Using a weighted moving average with weights of 0.40, 0.30, 0.20, and 0.10, develop forecasts for weeks 6 through 9
c. Using exponential smoothing with a = 0.4 and a week 5 forecast of 210, find the forecast for week 6.