The following is a series of annual sales (in $millions) over an 11-year period (2007 to 2017):
Question:
The following is a series of annual sales (in $millions) over an 11-year period (2007 to 2017):
Year: 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 Sales: 13.0 17.0 19.0 20.0 20.5 20.5 20.5 20.0 19.0 17.0 13.0
a. Construct a time-series plot.
b. Does there appear to be any change in annual sales over time?
Explain.
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Related Book For
Public Finance An International Perspective
ISBN: 9789814365048
1st Edition
Authors: Joshua E. Greene
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