Question: The scatterplot below shows the number of passengers at Oakland (CA) airport month by month since 1997. (www.oaklandairport.com) a) Describe the patterns in passengers at

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

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?

1.200.000 t 1995 2000 2005 2010 2015 Year

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