n 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: WEEK FORECAST АCTUAL 780 890 2. 840 990 940 1,040 4 940 890 5 990 890 6 965 1,060 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.) Running Sum of Forecast Errors Absolute Deviation Sum of Absolute Deviation Mean Absolute Deviation Tracking Signal Week Forecast Actual Deviation 780 840 1 890 2 990 940 1,040 4. 940 890 990 890 965 1,060 o. Decide whether the forecasting model you have been using is giving reasonable results. The forecasting model is acceptable The forecasting model is unacceptable LO

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 31EQ
icon
Related questions
icon
Concept explainers
Question
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:
WEEK
FORECAST
ACTUAL
780
890
2
840
990
3
940
1,040
4
940
890
990
890
6.
965
1,060
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.)
Running Sum of
Forecast Errors
Sum of
Absolute
Deviation
Mean
Absolute
Deviation
Tracking
Signal
Absolute
Week
Forecast
Actual
Deviation
Deviation
1
780
890
840
990
940
1,040
4
940
890
990
890
965
1,060
b. Decide whether the forecasting model you have been using is giving reasonable results.
O The forecasting model is acceptable
O The forecasting model is unacceptable
Transcribed Image Text: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: WEEK FORECAST ACTUAL 780 890 2 840 990 3 940 1,040 4 940 890 990 890 6. 965 1,060 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.) Running Sum of Forecast Errors Sum of Absolute Deviation Mean Absolute Deviation Tracking Signal Absolute Week Forecast Actual Deviation Deviation 1 780 890 840 990 940 1,040 4 940 890 990 890 965 1,060 b. Decide whether the forecasting model you have been using is giving reasonable results. O The forecasting model is acceptable O The forecasting model is unacceptable
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps

Blurred answer
Knowledge Booster
Correlation, Regression, and Association
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning