document.write( "Question 1055174: The table shows the sales represented by S in millions, for jogging shows from
\n" ); document.write( "1998 - 2004:\r
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\n" ); document.write( "2001 1670
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\n" ); document.write( "Find the coefficient of determination for the linear model. Round to four decimal places.
\n" ); document.write( "A.) 0.9869
\n" ); document.write( "B.) 0.9807
\n" ); document.write( "C.) 0.9903
\n" ); document.write( "D.) 0.9741 \n" ); document.write( "
Algebra.Com's Answer #670456 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "1998  1469\r\n" );
document.write( "1999  1502\r\n" );
document.write( "2000  1638\r\n" );
document.write( "2001  1670\r\n" );
document.write( "2002  1733\r\n" );
document.write( "2003  1802\r\n" );
document.write( "2004  1838 \r\n" );
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document.write( "On your TI-83 or TI-84 graphing calculator:\r\n" );
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document.write( "Press STAT\r\n" );
document.write( "Press ENTER\r\n" );
document.write( "Enter 1,2,3,4,5,6,7, in L1 and 1469,1502,etc.,1838 in L2.\r\n" );
document.write( "\r\n" );
document.write( "Press STAT\r\n" );
document.write( "Highlight CALC\r\n" );
document.write( "Scroll down to LinReg(\r\n" );
document.write( "Press ENTER several times until you see\r\n" );
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document.write( "y=ax+b\r\n" );
document.write( "a=64.35714286\r\n" );
document.write( "b=1407.142857\r\n" );
document.write( "r2=.9740622353\r\n" );
document.write( "r=.986945914\r\n" );
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document.write( "One of the choices has this bottom value of r\r\n" );
document.write( "[not r2] rounded to 4 decimals.\r\n" );
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document.write( "Edwin
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