document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1121731>Question 1121731</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The standard deviation of a population is 1.9.\r<BR>\n" );
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document.write( "What is the margin of error?\r<BR>\n" );
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document.write( "The standard deviation for a set of data is 9.5. The mean is 205.\r<BR>\n" );
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document.write( "What is the margin of error? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #737715 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=737715\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The margin of error needs to be defined, but if one uses 1.96 sd (95% by empiric rule for normal distributions), it is 3.72.  For 2 s.d, it is 3.61\r<BR>\n" );
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document.write( "The margin of error would be 19 for 2 s.d. or 18.6 for 1.96 s.d  The margin of error is +/-19, for example, the interval within the margin of error would be (186, 224). </SPAN>\n" );
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