11. The difference between actual demand and the forecast is A. mean absolute percentage error. B. absolute deviation of forecast error. C. forecast error. D. mean absolute deviation of forecast error. 12. The three inputs for an MRP parts explosion are A. forecast, inventory, and bill of materials. B. inventory, master schedule, and bill of materials. C. capacity, master schedule, and inventory. D. forecast, bill of materials, and master schedule. 13. If one time, a series model is used for forecasting a low.demand item, and another time, a series model is used for forecasting a high-demand item, which measure of forecast accuracy provides a valid comparison of the errors from these two time series? A. MSE O B. CFE C. MAD D. MAPE 14. The longest series of connections in the project network, from the start to the end of the activities, is also referred to as A. the critical path B. float or slack C. the master schedule D. the action path 15. The forecast was 70 units for the current period while actual demand was 76. The forecast for the next period is 75.8. What's alpha if a simple exponential smoothing forecast method is being used? A. 0.040 B. 0.967 C. 0.097 OD. 0.004