As reported by the Recording Industry Association of America, the percentage of recorded music dollar sales in
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CD Music Percentage 89.3 89.2 90.5 87.8 90.3 87.0 85.6 82.6 Year x = Year Code 2000 2001 2002 2003 2004 2005 2006 2007 4
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The secondorder polynomial model shown below is a very good fit to the data The equation is CD 87684 ...View the full answer
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