The scatterplot below shows the number of passengers at Oakland (CA) airport month by month since 1997.

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The scatterplot below shows the number of passengers at Oakland (CA) airport month by month since 1997. (www.oaklandairport.com)

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a) Describe the patterns in passengers at Oakland airport that you see in this time plot.
b) Until 2009, analysts got fairly good predictions using a linear model. Why might that not be the case now?
c) If they considered only the data from 2009 to the present might they get reasonable predictions into the future?
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Related Book For  book-img-for-question

Stats Data And Models

ISBN: 662

4th Edition

Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock

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