A major portion of total consumer credit extended is in the category of revolving credit loans. Amounts outstanding (in billions of dollars) for the period 1995-2015 are given in the table.

a. Use a simple linear regression model to forecast the 2016 and 2017 values. Place 95% prediction limits on each forecast.
b. Calculate the Holt forecasts for 2016 and 2017 using w = .7 and n = .7. Compare the results with the simple linear regression forecasts of part a.

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Year Revolving Year Revolving 875 1995 444 2006 1996 1997 1998 1999 2000 508 538 579 609 683 2007 2008 2009 2010 942 958 866 801 841 2011 2001 2002 2003 2004 2005 716 749 771 800 825 2012 2013 2014 2015 846 858 892 938