document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=334154>Question 334154</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The ages (in years) of the  employees at a particular computer store are \r<BR>\n" );
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document.write( " 36,40,24,24,31\r<BR>\n" );
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document.write( "Assuming that these ages constitute an entire population, find the standard deviation of the population. Round your answer to at least two decimal places.\r<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 #239445 by </B><A HREF=/tutors/aboutme.mpl?userid=jrfrunner><B>jrfrunner(365)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jrfrunner><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=jrfrunner><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=239445\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. compute the average: add the values and divide by 5 <BR>\n" );
document.write( "Average =(36+ 40+24+24+31)/5=31.0<BR>\n" );
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document.write( "2. Compute the deviations from the average<BR>\n" );
document.write( "dev:  (36-31)=5, (40-31)=9,etc<BR>\n" );
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document.write( "3. Square the deviations and add<BR>\n" );
document.write( "sum (dev^2):  5^2+9^+...+0^2=204<BR>\n" );
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document.write( "4. Divide step #3 by the sample size=5 (typically you divide by sample size-1 to get the sample standard deviation, but you are assuming the 5 values are the population, so no need to subtract 1, from the sample size.  This result is the variance<BR>\n" );
document.write( "Variance =204/5=40.8<BR>\n" );
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document.write( "5. Standard deviation = sqrt(variance)<BR>\n" );
document.write( "standard deviation= sqrt(40.8)   </SPAN>\n" );
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