A student tries to construct a time-series plot to describe U.S. imports (in millions of pounds) of quinoa (see Fig. 61). The student concludes that the data points lie on a straight line.

a. Explain why the time-series plot is incorrect and construct a correct one.
b. Is the student correct that the data points lie on a straight line? Explain.
c. In general, would making the student€™s type of error really matter much? Explain.

Transcribed Image Text:

U.S. Imports of Quinoa 14.2 10.7 6.9 4.7 3.4 2.4 1.6 2007 2008 2009 2010 2011 2012 2013 t Years