document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1154146>Question 1154146</A>: <I><SPAN STYLE=\"word-break: break-all;\"> you and your friends have just measured the heights of your dogs (in milimeters). the heights(at the shoulder)are :600mm, 470 mm, 170mm, 300mm, 200mm. find out the mean the variance and the standard deviation<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 #776520 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=776520\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First find mean (600+ 470+170 + 300 + 200)/5\r<BR>\n" );
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document.write( "Mean =348 \r<BR>\n" );
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document.write( "Find variance<BR>\n" );
document.write( " Find the difference between observation and mean\r<BR>\n" );
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document.write( "           d        <BR>\n" );
document.write( "600-348 = 252       <BR>\n" );
document.write( "470-348 = 122<BR>\n" );
document.write( "170-348 = -178<BR>\n" );
document.write( "300 -348 = -48<BR>\n" );
document.write( "200-348  = -148\r<BR>\n" );
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document.write( "Variance <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28sigma%29%5E2 ALIGN=MIDDLE  ALT=\"%28sigma%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = ((252)^2 +(122)^2+(-178)^2+(-48)^2+(-148)^2)/5\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28sigma%29%5E2 ALIGN=MIDDLE  ALT=\"%28sigma%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 26856\r<BR>\n" );
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document.write( "Standard deviation <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28sigma%29 ALIGN=MIDDLE  ALT=\"%28sigma%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >= <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%2826856%29 ALIGN=MIDDLE  ALT=\"sqrt%2826856%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=163.88\r<BR>\n" );
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