1. Given below are the actual demand and the forecasts made in 2018.

Actual Forecast

Year 2019 1st Quarter 1200 1100

2nd Quarter 900 1100

3rd Quarter 1100 1100

4th Quarter 1000 1100

If you were to use a three-period weighted moving average with weights of 0.5, 0.3 and 0.2 to make a forecast for the 1st Quarter of Year 2020, what would it have been?

1. 1. 900.

   2. 1,000.

   3. 1,050.

   4. 1,067.

2. Given below are the actual demand and the forecasts made in 2018.

   Actual Forecast

   Year 2019 1st Quarter 1200 1100

   2nd Quarter 900 1100

   3rd Quarter 1100 1100

   4th Quarter 1000 1100

   If you were to use a three-period weighted moving average with weights of 0.5, 0.3 and 0.2 to make a forecast for the 1st Quarter of Year 2020, what would it have been?

3. 1,000.

4. 1,090.

5. 1,010.

6. 1,060.

3.

Which one is a true statement?

1. The larger the tracking signal, the better the model.

2. CFE being a large negative number means the model has been under-forecasting.

3. Tracking signal being 0 means the model is 100% accurate.

4. Tracking signal being close to 0 means the model is not biased