The following data, stored in Spills provide the number of oil spills in the Gulf of Mexico
Question:
The following data, stored in Spills provide the number of oil spills in the Gulf of Mexico from 1996 to 2012:
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a. Plot the time series.
b. Fit a three-year moving average to the data and plot the results.
c. Using a smoothing coefficient of W = 0.50, exponentially smooth the series and plot the results.
d. What is your exponentially smoothed forecast for 2013?
e. Repeat (c) and (d), using W = 0.25.
f. Compare the results of (d) and (e).
g. What conclusions can you reach concerning the number of oil spills in the Gulf of Mexico?
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Step by Step Answer:
a b c d b c d Year Number of Spills MA3 ES W05 ES W025 1996 4 40000 40000 1997 3 53333 35000 37500 1...View the full answer
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Related Book For 
Basic Business Statistics
ISBN: 9780321870025
13th Edition
Authors: Mark L. Berenson, David M. Levine, Kathryn A. Szabat
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