document.write( "Question 473342: http://imageshack.us/photo/my-images/16/page649.jpg/
\n" ); document.write( "I need help number 78 only ,the key number 79 is 73.5 percents
\n" ); document.write( "I know find slope and write equation
\n" ); document.write( "do not solve ,just help me what pair I can select to write equation, take me for ever to find what pair , thank you in advance \n" ); document.write( "
Algebra.Com's Answer #324603 by stanbon(75887)\"\" \"About 
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I need help number 78 only ,the key number 79 is 73.5 percents
\n" ); document.write( "I know find slope and write equation
\n" ); document.write( "do not solve ,just help me what pair I can select to write equation, take me for ever to find what pair
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\n" ); document.write( "If you constructed the dot-plot you saw that
\n" ); document.write( "the points do not lie on a line. So using
\n" ); document.write( "2 points to find the equation will only give
\n" ); document.write( "you the equation for the line thru those 2
\n" ); document.write( "points.
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\n" ); document.write( "The problem requires that you develop a linear
\n" ); document.write( "regression equation for the set of data.
\n" ); document.write( "Your book may explain how to do that manually
\n" ); document.write( "or you may use a calculator to generate the
\n" ); document.write( "equation. I used a TI-84 to get the following
\n" ); document.write( "equation: f(x) = -0.86x + 76.727
\n" ); document.write( "The f(x) for the year 2012 is f(32) = 73.975
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "
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