document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1123848>Question 1123848</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The mean value of land and buildings per acre from a sample of farms is<BR>\n" );
document.write( "$2400, with a standard deviation of $450. Between what two values do about<BR>\n" );
document.write( "95% of the data lie?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #740239 by </B><A HREF=/tutors/aboutme.mpl?userid=reviewermath><B>reviewermath(1029)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=reviewermath><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=reviewermath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=740239\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Q: The mean value of land and buildings per acre from a sample of farms is<BR>\n" );
document.write( "$2400, with a standard deviation of $450. Between what two values do about<BR>\n" );
document.write( "95% of the data lie? <BR>\n" );
document.write( "--------------------------------<BR>\n" );
document.write( "Solution:<BR>\n" );
document.write( "According to the Empirical Rule and assuming normality (or at least approximately normal), about 95% of observations lie within 2 standard deviations of the mean. Therefore, about 95% of the values lie between $<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%281500%29 ALIGN=MIDDLE  ALT=\"highlight%281500%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > and $<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%283300%29 ALIGN=MIDDLE  ALT=\"highlight%283300%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );