Use a graphing calculator to find the equation of the line of best fit for the data in the table below. Find the value of the correlation coefficient r. Then predict the number of movie tickets sold in 2014.   Year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 Tickets Sold ​(millions) 1288 1303 1312 1336 1371 1368 1410 1418 1434 1459

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