document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=273723>Question 273723</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A sample of 10 observations is selected from a normal population for which the population standard deviation is known to be 5. The sample mean is 19\r<BR>\n" );
document.write( "\n" );
document.write( "(a) The standard error of the mean is <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #199959 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=199959\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A sample of 10 observations is selected from a normal population for which the population standard deviation is known to be 5. The sample mean is 19 <BR>\n" );
document.write( "(a) The standard error of the mean is <BR>\n" );
document.write( "E = t*s/sqrt(n)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "E = invT(0.97.5,df=9)*5/sqrt(10)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "E = 3.5768<BR>\n" );
document.write( "===========<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );