document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1188785>Question 1188785</A>: <I><SPAN STYLE=\"word-break: break-all;\"> (1 point) The weights of a random sample of cereal boxes that are supposed to weigh 1 pound are given below. Estimate the standard deviation of the entire population with 98% confidence.\r<BR>\n" );
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document.write( "1.01, 1.03, 0.95, 1.03, 1.01, 1.01, 0.96, 0.98\r<BR>\n" );
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document.write( "LCL = <BR>\n" );
document.write( "UCL = <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 #820289 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=820289\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> mean is 0.9975 pounds<BR>\n" );
document.write( "sd=0.0306 pounds<BR>\n" );
document.write( "98% half-interval is t(0.99, df=7)*s/sqrt(n)<BR>\n" );
document.write( "=2.998*0.0306/sqrt(8)<BR>\n" );
document.write( "=0.0324 pounds<BR>\n" );
document.write( "interval is (0.951, 1.0299) units pounds  </SPAN>\n" );
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