document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=102288>Question 102288</A>: <I><SPAN STYLE=\"word-break: break-all;\"> -3,5,-4,8,-6,10,-5<BR>\n" );
document.write( "I need to find the sigma for this set of numbers<BR>\n" );
document.write( "Thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #74339 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=74339\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> -3,5,-4,8,-6,10,-5<BR>\n" );
document.write( "I need to find the sigma for this set of numbers<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "Find the mean of the set: = 0.714<BR>\n" );
document.write( "Subtract the mean from each data value.<BR>\n" );
document.write( "Square this difference for each data value<BR>\n" );
document.write( "Add these square values.<BR>\n" );
document.write( "Divide by 7 if you are considering this set to be the population.<BR>\n" );
document.write( "OR<BR>\n" );
document.write( "Divide by 6 if you are considering this set to be a sample.<BR>\n" );
document.write( "Using a TI calculator I get:<BR>\n" );
document.write( "sigma = 6.227<BR>\n" );
document.write( "OR<BR>\n" );
document.write( "s = 6.726<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );