document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=85488>Question 85488</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0205459587/algebrahomeworkh>elementary statistics in social research</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Suppose that the population standard deviation (o) for a normally distributed standardized test of achievement is known to be 7.20.  What would the standard error of the sample mean (o-x)be if we were to draw a random smaple of 16 test scores?\r<BR>\n" );
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document.write( "Please help...show the work please. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #61709 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=61709\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Suppose that the population standard deviation (o) for a normally distributed standardized test of achievement is known to be 7.20.  What would the standard error of the sample mean (o-x)be if we were to draw a random smaple of 16 test scores?<BR>\n" );
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document.write( "standard error (SE) = sigma/sqrt(sample size) = 7.2/sqrt16 = 7.2/4 = 1.8<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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