document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=855581>Question 855581</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Imagine for the national college admission test, women had a mean score of 70 and a variance of 16; men had a mean score of 69 and a variance of 25. If we sample 50 scores from women and 50 scores from men, what’s the standard error of the sample distribution of the difference between means? <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 #515444 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=515444\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Imagine for the national college admission test, women had a mean score of 70 and a variance of 16; men had a mean score of 69 and a variance of 25. If we sample 50 scores from women and 50 scores from men, what’s the standard error of the sample distribution of the difference between means? <BR>\n" );
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document.write( "Ans: sqrt[(16/50)+(25/50)] = sqrt(66/50) = sqrt(33/25) = sqrt(33)/5<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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