document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=306093>Question 306093</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Problem  4, the following data were collected as part  of  a study of coffee consumption among male and female undergraduate students. The following reflects cups per day consumed.  \r<BR>\n" );
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document.write( "Male:       3 4 6 8 2 1 0 2<BR>\n" );
document.write( "Female:   5 3 1 2 0 4 3 1<BR>\n" );
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document.write( "Generate a 95% confidence interval for the difference in mean numbers of cups of coffee consumed between men and woman<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 #219225 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=219225\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Problem 4, the following data were collected as part of a study of coffee consumption among male and female undergraduate students. The following reflects cups per day consumed. <BR>\n" );
document.write( "Male::: 3 4 6 8 2 1 0 2<BR>\n" );
document.write( "Female: 5 3 1 2 0 4 3 1<BR>\n" );
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document.write( "Differ::-2,1,5,6,2,-3,-3,1<BR>\n" );
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document.write( "sample mean of the differences: 0.875<BR>\n" );
document.write( "std of the differences::::::::: 3.44<BR>\n" );
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document.write( "Margin of Error: (invT(0.975,7)*3.44/sqrt(8) = 2.3646*1.2162 = 2.8759<BR>\n" );
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document.write( "Generate a 95% confidence interval for the difference in mean numbers of cups of coffee consumed between men and woman<BR>\n" );
document.write( "95% CI: 0.875-2.8759 < u(diff) < 0.875+2.8759<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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