document.write( "Question 1193518: The regression equations are; 7x - 6y + 9 = 0 and 5y - 4x - 3 = 0. Find
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Algebra.Com's Answer #825618 by Edwin McCravy(20060) $\"\"$ $\"About$

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document.write( "Forgive Ikleyn, she doesn't understand regression and correlation. And\r\n" );
document.write( "she loves to run people down.\r\n" );
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document.write( "Solve one equation for x and the other for y, so that the product of\r\n" );
document.write( "the coefficients of variables on the right are less than 1.  So we\r\n" );
document.write( "solve the first one for x and the second one for y.\r\n" );
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document.write( "So\r\n" );
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document.write( " and \r\n" );
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document.write( " <--correlation coefficient\r\n" );
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document.write( "The point whose coordinates are the means is the point of\r\n" );
document.write( "intersection of the two regression lines.\r\n" );
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document.write( "To find the mean value for x and y, solve the system\r\n" );
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document.write( "Eliminate y by multiplying the first by 5 and the second by 6\r\n" );
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document.write( "  <--mean value of x.\r\n" );
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document.write( "Eliminate x by multiplying the first by 4 and the second by 7\r\n" );
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document.write( "  <--mean value of y.\r\n" );
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document.write( "Edwin \n" );
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