document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1036043>Question 1036043</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Here are the IQ test scores of 31 seventh-grade girls in a Midwest school district:<BR>\n" );
document.write( "72, 74, 86, 89, 91, 93, 96, 98, 100, 102, 103, 103, 103, 104, 105, 107, 108, 111, 111, 112, 112, 112, 114, 114, 114, 118, 119, 120, 128, 130, 132\r<BR>\n" );
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document.write( " What proportions of the scores are within one standard deviation of the mean? <BR>\n" );
document.write( " What proportions of the scores are within one standard deviation of the mean?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #650685 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=650685\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The mean is 105.8 and the sd of the sample (I think this is a sample) is 14.3<BR>\n" );
document.write( "Between 1 sd of the mean would include (91.5,120.1) or (92,120). That is 23/31 scores.<BR>\n" );
document.write( "If the second part is 2 sd s of the mean (not written as such), it would be the interval (77.2,132.4) or (78,132).  That would be 29/31 scores. </SPAN>\n" );
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