Using a simple exponential smoothing model, if the forecast for the last period was $222,$ and

the actual demand was $227,$ what would be the forecast for the next period given alpha$=0\mathrm{.}4?$

Karl$$s Copiers sells and repairs photocopy machines. The manager needs weekly forecasts of service

calls so that he can schedule service personnel. The forecast for the week of July $3$ was $23$ calls.

Week of Actual service calls Forecast Error

July $3274$

July $10338$

July $17$