document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=207341>Question 207341</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A pharmaceutical company is testing the effectiveness of a new drug for lowering cholesterol. As part of this trial, they wish to determine whether there is a diffeerence between the effectiveness for women and for men.  At a=.05, what is the test value?\r<BR>\n" );
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document.write( "Sample size     50 women     80 men<BR>\n" );
document.write( "Mean effect      7 women     6.95 men<BR>\n" );
document.write( "Sample variance  3 women      4 men\r<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 #156852 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=156852\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A pharmaceutical company is testing the effectiveness of a new drug for lowering cholesterol. As part of this trial, they wish to determine whether there is a diffeerence between the effectiveness for women and for men.  At a=.05, what is the test value?\r<BR>\n" );
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document.write( "isticda<BR>\n" );
document.write( "Sample size     50 women     80 men<BR>\n" );
document.write( "Mean effect      7 women     6.95 men<BR>\n" );
document.write( "Sample variance  3 women      4 men\r<BR>\n" );
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document.write( "I ran a 2-Sample T-test and got the following results:<BR>\n" );
document.write( "Ho: u(women)-u(men) = 0<BR>\n" );
document.write( "Ha: u(w)-u(m) is not zero<BR>\n" );
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document.write( "test statistics: t = 0.08111...<BR>\n" );
document.write( "p-value: 0.9355...<BR>\n" );
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document.write( "Conclusion: Since the p-value far exceeds alpha = 5%<BR>\n" );
document.write( "Fail to Reject Ho.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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