Average gas prices in Columbia S.C. is listed in the following table.

YEAR GAS PRICES
2002 $ 0.70
2003 1.04
2004 1.15
2005 1.38
2006 1.86
2007 1.70
2008 2.55
2009 1.29
2010 2.22
2011 2.56

can you clearly list the range of linear regression in interval notation

The range of linear regression in interval notation is (-∞, ∞).