You have been given the demand data for the past 10 weeks for swim rings for children. You decide to run four different types of forecasting methods on the data to see which gives you best forecast 1. Using simple linear regression, what is the forecast for week 22? 2. If you were to use exponential smoothing with alpha = 2, the forecast of week 21 was 1300, what would be your forecast for week 22? 3. Using a 3-period weighted moving average (most recent=.6; second most recent= 3, least recent=. 1), what is the forecast for week 22? 4. Using a 3-period simple moving average, what is the forecast for week 222 Week Demand 12 1317 13 1307 4 14 1261 15 1258 16 1267 17 1256 18 1268 19 1277 20 1277 21 1297