Can you show me how to solve this problem? In this problem, you are to test the validity of your for

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Can you show me how to solve this problem?

In this problem, you are to test the validity of your forecasting model. Here are the forecasts for a model you have been using and the actual demands that occurred:

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WEEK FORECAST ACTUAL
1 770 895
2 845 995
3 945 1,045
4 945 895
5 995 895
6 970 1,050

a. Use the method stated in the text to compute the MAD and tracking signal for each week. (Negative values should be indicated by a minus sign. Round your “Tracking Signal” to 1 decimal place and all other answers to the nearest whole number.)

Week Forecast Actual Deviation RSFE Absolute
Deviation		 Sum of
Absolute
Deviation		 MAD TS
1 770 895
2 845 995
3 945 1,045
4 945 895
5 995 895
6 970 1,050

b. Decide whether the forecasting model you have been using is giving reasonable results.

The forecasting model is acceptable
The forecasting model is unacceptable

 

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