document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=658155>Question 658155</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A sample of n = 4 scores is obtained from a population with m = 70 and s = 8. If the sample mean corresponds to a z-score of 2.00, then what is the value of the sample mean? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #410191 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=410191\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A sample of n = 4 scores is obtained from a population with m = 70 and s = 8. If the sample mean corresponds to a z-score of 2.00, then what is the value of the sample mean?<BR>\n" );
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document.write( "The std of the sample means is 8/sqrt(4) = 4<BR>\n" );
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document.write( "The mean of the sample means is the same as the mean of the population.<BR>\n" );
document.write( "z(sample mean) = (sample mean - 70)/4<BR>\n" );
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document.write( "2 = (sample mean - 70)/4<BR>\n" );
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document.write( "sample mean = 8+70 = 78<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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