document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1151236>Question 1151236</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Calculate the degrees of freedom associated with a small sample test of hypothesis test for (u1-u2) assuming o1^2≠o2^2 and n1=n2=20\r<BR>\n" );
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document.write( "u=mean<BR>\n" );
document.write( "o^2= variance sd\r<BR>\n" );
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document.write( "I was not given the values for the variance. This is all I have to solve the problem.\r<BR>\n" );
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document.write( "Please help!  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #772952 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=772952\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Since the sample sizes are equal, the degrees of freedom = 20 + 20 - 2 = 38<BR>\n" );
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document.write( "Note if the smple sizes are not =, the degrees of freedom = smallest sample size - 1<BR>\n" );
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