document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1019471>Question 1019471</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A researcher studying sunflowers took a sample of sunflowers and measured the diameter of the flower in centimeters. Here are the measurements for the sample:\r<BR>\n" );
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document.write( "17   21   16   20   12   18   15\r<BR>\n" );
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document.write( "Find the standard deviation of the data set. Round your answer to the nearest tenth. \r<BR>\n" );
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document.write( "I would really appreciate help on this question! I've been stumped for a few hours now... Thank you so much!  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #635544 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=635544\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I would use the formula for sample standard deviation:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\large s = \sqrt{\frac{\sum_{i=1}^{n} (x_i - \bar{x})^2}{n-1}}\">\r<BR>\n" );
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document.write( "where <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\large \bar{x}\"> is the arithmetic mean of your sample data. So first, compute <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\large \bar{x}\">, then compute the inner summation to compute the sample SD. </SPAN>\n" );
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