Question content area

Part $1$

Focus forecasting is

A$.$

a measure that indicates whether a method of forecasting is accurately predicting actual changes in demand.

B$.$

a process for supply chain integration that allows a supplier and its customers to collaborate on making the forecast by using the Internet.

C$.$

a method of forecasting that selects the best forecast from a group of forecasts generated by individual techniques.

D$.$

actual demands from the more recent time periods in the time series that are set aside to test different models developed from the earlier time periods.