document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=98314>Question 98314</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the standard deviation of the data set to the nearest tenth.\r<BR>\n" );
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document.write( "21,13,18,16,13,35,12,8,15\r<BR>\n" );
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document.write( "I know the mean is 16.8<BR>\n" );
document.write( "and the sum of the data is 151 but I could get no further than that. Sorry.\r<BR>\n" );
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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 #71501 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=71501\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find the difference between each number and the mean (subtract the mean from each number)\r<BR>\n" );
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document.write( "square each difference ... add the squares together ... divide by the number of squares (9 in this case) ... take the square root of the result\r<BR>\n" );
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document.write( "this is the standard deviation </SPAN>\n" );
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