document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=150415>Question 150415</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need to find the equation for this regression line\r<BR>\n" );
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document.write( "x 12 14 10 9  15  8 <BR>\n" );
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document.write( "y 29 35 28 23 36 18\r<BR>\n" );
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document.write( "Please help<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 #110423 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=110423\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the average x.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5Bave%5D=%2812%2B14%2B10%2B9%2B15%2B8%29%2F6 ALIGN=MIDDLE  ALT=\"x%5Bave%5D=%2812%2B14%2B10%2B9%2B15%2B8%29%2F6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5Bave%5D=11.333 ALIGN=MIDDLE  ALT=\"x%5Bave%5D=11.333\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Find the average y.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5Bave%5D=%2829%2B35%2B28%2B23%2B36%2B18%29%2F6 ALIGN=MIDDLE  ALT=\"y%5Bave%5D=%2829%2B35%2B28%2B23%2B36%2B18%29%2F6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5Bave%5D=28.167 ALIGN=MIDDLE  ALT=\"y%5Bave%5D=28.167\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "For a simple linear regression <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Y=a%2BbX ALIGN=MIDDLE  ALT=\"Y=a%2BbX\"   DISABLED_style= \"max-width:90%; height:auto;\" >, use the following formula to find the slope, <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=%28sum%28+%28x-x%5Bave%5D%29%28y-y%5Bave%5D%29+%29%29%2F%28sum%28%28x-x%5Bave%5D%29%5E2%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=93.6667%2F39.333 ALIGN=MIDDLE  ALT=\"b=93.6667%2F39.333\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=2.381 ALIGN=MIDDLE  ALT=\"b=2.381\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=y%5Bave%5D-bx%5Bave%5D ALIGN=MIDDLE  ALT=\"a=y%5Bave%5D-bx%5Bave%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=28.167-2.381%2811.333%29 ALIGN=MIDDLE  ALT=\"a=28.167-2.381%2811.333%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=1.178 ALIGN=MIDDLE  ALT=\"a=1.178\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28+300%2C+300%2C-2%2C+18%2C+-5%2C50%2Cgrid%28+1+%29%2C+%0D%0Acircle%2812%2C29%2C.2%29%2C%0D%0Acircle%2814%2C35%2C.2%29%2C%0D%0Acircle%2810%2C28%2C.2%29%2C%0D%0Acircle%289%2C23%2C.2%29%2C%0D%0Acircle%2815%2C36%2C.2%29%2C%0D%0Acircle%288%2C18%2C.2%29%2C%0D%0Ablue%28line%280%2C1.178%2C20%2C48.80508%29%29+%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Y=2.381X%2B1.178 ALIGN=MIDDLE  ALT=\"Y=2.381X%2B1.178\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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