document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=251363>Question 251363</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Populations 1 and 2 are considered.  The null and alternative hypothesis are: <BR>\n" );
document.write( "H0:m1=m2<BR>\n" );
document.write( "H0:m1&#8800;m2\r<BR>\n" );
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document.write( "Random samples are taken from each population , with n1 =100 and n2=11 sampled from population 1 and 2. Observations of success are 60 from population 1 and 5 from population 2(S1=60;S2=5), with sample standard deviations of 5.2 and .62. An estimated of the standard deviation of the differences is approximately?<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 #183164 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=183164\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Your hypotheses imply you are testing means, but you are<BR>\n" );
document.write( "asked for a conclusion regarding standard deviation.<BR>\n" );
document.write( "Which is it? means or std's.<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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