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Using simple exponential smoothing and the following time series data, respond to each of the items. (Note the data are the same as exercise 8.) a. G raph the time series data. What do you observe? b. Compute all possible

Using simple exponential smoothing and the following time series data, respond to each of the items. (Note the data are the same as exercise 8.)

Period Demand Period Demand 1 72 8 28 60 9 53 3 27 10 50 4 52 11 57 26 12 87 46 13 22 52 14 56

a. G raph the time series data. What do you observe?

b. Compute all possible forecasts using a smoothing coefficient (α) of 0.4.

c. Compute all possible forecasts using a smoothing coefficient (α) of 0.9.

d. Compute the MADs for each moving average forecast.

e. Which forecast model would you choose? Why?

Transcribed Image Text:

Period Demand Period Demand 1 72 8 28 60 9 53 3 27 10 50 4 52 11 57 26 12 87 46 13 22 52 14 56

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a The graph shows a stationary pattern b c d For an alpha …View the full answer


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Statistical Techniques In Business And Economics

Statistical Techniques In Business And Economics

ISBN: 9781260239478

18th Edition

Authors: Douglas Lind, William Marchal, Samuel Wathen

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Question Details
Chapter # 18
Section: Exercises
Problem: 12
Posted Date: December 14, 2020 00:36:25
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