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QM662 University of Alabama Exponential Smoothing & Seasonal Indices HW

QM662 University of Alabama Exponential Smoothing & Seasonal Indices HW

Question Description

4. In #3, which method (if any) is most appropriate? (4)

a. Exponential smoothing.

b. Regression.

c. Regression with seasonal indices.

d. None of the above.

5. In #3, which of the following is most appropriate regarding sales? (4)

a. We should use all of the data in our model.

b. We should use only periods 5-16 in our model.

c. We should use only periods 9-16 in our model.

d. We should use only periods 13-16 in our model.

e. We should use only periods 1-12 in our model.

6. Refer to the Excel output on the final pages. Here, we are tracking the number of orders

placed by week for a 20-week period. The first set of output is for an exponential

smoothing model with

α

= 0.25. The second set of output is for a regression. Which of

the following is most appropriate? (3)

a. The exponential smoothing model is most appropriate.

b. The regression is most appropriate.

c. Another model would be more appropriate.


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