After completing exercise 32, use the same data and your regression results to test for autocorrelation with the Durbin-Watson statistic by completing the following items.

a. Plot the residuals associated with the trend model for this data.

b. T est for autocorrelation using the .05 significance level.

c. R eport and interpret your result.

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$ Sales (Millions) $ Sales (Millions) Year Year 2009 $486,565 2014 $785,142 2010 549,473 2015 842,120 2011 608,788 2016 877,743 2012 672,550 2017 911,157 2013 735,374 2018 943,538