document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=306451>Question 306451</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You are given the following data. <BR>\n" );
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document.write( "x	y<BR>\n" );
document.write( "2	18<BR>\n" );
document.write( "3	17<BR>\n" );
document.write( "4	2<BR>\n" );
document.write( "5	7<BR>\n" );
document.write( "5	16<BR>\n" );
document.write( "7	4<BR>\n" );
document.write( "7	12\r<BR>\n" );
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document.write( "Find:<BR>\n" );
document.write( "-       SS(x) <BR>\n" );
document.write( "-       SS(y) <BR>\n" );
document.write( "-       SS(xy) <BR>\n" );
document.write( "-       The linear correlation coefficient, r <BR>\n" );
document.write( "-       The slope b1 <BR>\n" );
document.write( "-       The y-intercept, b0\r<BR>\n" );
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document.write( "-       The equation of the line of best fit. \r<BR>\n" );
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document.write( "Please explain how to do this. My professor is not helping me at all. I am so lost.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #219321 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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/cgi-bin/show-face.mpl?user=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=219321\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Check out this link.<BR>\n" );
document.write( "http://mathworld.wolfram.com/CorrelationCoefficient.html\r<BR>\n" );
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document.write( "Plug your information into EXCEL where you can quickly manipulate data.<BR>\n" );
document.write( "Find the average for x and y.<BR>\n" );
document.write( "Then find the deviation of each data point from the averages.<BR>\n" );
document.write( "SSxx=21.43<BR>\n" );
document.write( "SSyy=256.86<BR>\n" );
document.write( "SSxy=-36.29<BR>\n" );
document.write( "Slope, b=SSxy/SSxx=-1.6933<BR>\n" );
document.write( "b'=SSxy/SSyy=-0.141<BR>\n" );
document.write( "r=b*b'=0.545<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=xave=4.714 ALIGN=MIDDLE  ALT=\"xave=4.714\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=yave=10.857 ALIGN=MIDDLE  ALT=\"yave=10.857\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=yave=a%2Bb%2Axave ALIGN=MIDDLE  ALT=\"yave=a%2Bb%2Axave\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=18.84 ALIGN=MIDDLE  ALT=\"a=18.84\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=18.84-1.693x ALIGN=MIDDLE  ALT=\"y=18.84-1.693x\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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