need 7,8,9

7. The Java Brew coffee shop manager must forecast daily demand far particular types of coffee so that he can What is the forecast for weeks 6 ana r using a five-week moving average? 8. When using a simple exponential smoothing model, if the forecast for the last period was 135 , and the actual demand was 120 , what would be the forecast for the next period given alpha =0.2 ? 9. 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 =0.4 ? Karl's Copiers sells and repairs photocopy machines. The manager needs weekly forecasts of service calls so tha ha ran schedule service personnel. The forecast for the week of July 3 was 23 calls. 10. What is the forecast for the number of calls for the week of July 10 ? 11. What is the forecast for the number of calls for the week of July 17? 12. "Primo Plzza" has been using simple exponential smoothing to come up with their monthly pizza for but they are still not yet sure of the "best" value of a to pick. They conducted some computer rur different values of , and the data yielded the following results