document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=613867>Question 613867</A>: <I><SPAN STYLE=\"word-break: break-all;\"> This table shows 10 observations of a pair of variables (x,y). The variables x and y are positively correlated with a correlation coefficient of 0.977 Find the slope b, of the least squares regression line, y= ax + b, for these date.\r<BR>\n" );
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document.write( "  X  1  2  3  4  5  6   7  8  9  11  <BR>\n" );
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document.write( "  Y  2  4  5  8  9  12  13 14 15 16  <BR>\n" );
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document.write( "   I TRY THIS:    (16-2)= M(11-1),10M = 14, M = 1.4<BR>\n" );
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document.write( " BUT IT'S WRONG   <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #386305 by </B><A HREF=/tutors/aboutme.mpl?userid=rfer><B>rfer(16322)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rfer><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=386305\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> m=(2-4)/(1-2)<BR>\n" );
document.write( "m=-2/-1<BR>\n" );
document.write( "m=2<BR>\n" );
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document.write( "y=mx+b<BR>\n" );
document.write( "2=2*2+b<BR>\n" );
document.write( "2=4+b<BR>\n" );
document.write( "b=-2<BR>\n" );
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document.write( "y=2x-2 </SPAN>\n" );
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