The total amount of consumer credit has been increasing steadily in recent years. The following table...

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The total amount of consumer credit has been increasing steadily in recent years. The following table gives the total outstanding consumer credit (in billions of dollars). Answer parts (a) through (e) below. Consumer Consumer Year Year Credit Credit 2004 2219.5 2009 2557.5 2005 2303.8 2010 2648.1 2006 2437.0 2011 2756.0 2007 2540.9 2012 2926.3 2008 2595.1 2013 3097.2 a. Find an equation for the least squares line, letting x equal the number of years since 2000. The equation is Y = x + (Use integers or decimals for any numbers in the equation. Round to two decimal places as needed.) The total amount of consumer credit has been increasing steadily in recent years. The following table gives the total outstanding consumer credit (in billions of dollars). Answer parts (a) through (e) below. Consumer Consumer Year Year Credit Credit 2004 2219.5 2009 2557.5 2005 2303.8 2010 2648.1 2006 2437.0 2011 2756.0 2007 2540.9 2012 2926.3 2008 2595.1 2013 3097.2 a. Find an equation for the least squares line, letting x equal the number of years since 2000. The equation is Y = x + (Use integers or decimals for any numbers in the equation. Round to two decimal places as needed.)