Statistical Techniques in Business and Economics
Statistical Techniques in Business and Economics
18th Edition
ISBN: 9781260579611
Author: Douglas Lind; William Marchal; Samuel Wathen
Publisher: MCGRAW-HILL HIGHER EDUCATION
Question
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Chapter 18, Problem 10E

a.

To determine

To draw: The graph of the provided time series data and draw the observations.

b.

To determine

To calculate: All possible forecasts using a smoothing coefficient α of 0.8 .

c.

To determine

To calculate: The MAD

d.

To determine

To calculate: The forecast demand for period 11 using a smoothing coefficient α of 0.8 .

e.

To determine

To calculate: The error associated with eleventh-period forecast.

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