document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=145268>Question 145268</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Discuss the meaning of correlation coefficient.  Discuss the meaning of a correlation equal to -1, 0, and +1.<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 #105931 by </B><A HREF=/tutors/aboutme.mpl?userid=nabla><B>nabla(475)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nabla><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=105931\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The correlation coefficient measures the strength of a linear relationship between two variables. -1 means there is a perfect negative correlation. 0 means that there is a random, nonlinear relationship between the variables. +1 means there is a perfect positive relationship. +/- 1 only occur when all data points are on a straight line (slope respective of sign).\r<BR>\n" );
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