document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=957597>Question 957597</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How can confidence intervals be used to determine if the means of two populations are significantly different from each other?\r<BR>\n" );
document.write( "\n" );
document.write( "Please help with this question. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #585193 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=585193\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How can confidence intervals be used to determine if the means of two populations are significantly different from each other?<BR>\n" );
document.write( "----<BR>\n" );
document.write( "For a thorough discussion of your question I would<BR>\n" );
document.write( "suggest you Google \"stat confidence interval for difference of means\".<BR>\n" );
document.write( "----<BR>\n" );
document.write( "You will find::<BR>\n" );
document.write( "sample mean = x1-bar-x2bar<BR>\n" );
document.write( "ME = z*sqrt[(s1^2/n1 + (s2^2/n2)]<BR>\n" );
document.write( "---------------------------------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "---------- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );