document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=749953>Question 749953</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 6.	Which is relatively better: a score of 76 on a psychology test or a score of 33 on an economics test?<BR>\n" );
document.write( "Scores on the psychology test have a mean of 88 and a standard deviation of 10.  Scores on the economics test have a mean of 47 and a standard deviation of 5\r<BR>\n" );
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document.write( "Choose the correct answer below.<BR>\n" );
document.write( "a.	 The economics test score is relatively better because its z score is less than the z score for the psychology test score.<BR>\n" );
document.write( "b.	The psychology test score is relatively better because its z score is greater than the z score for the economics test score.<BR>\n" );
document.write( "c.	The economics test score is relatively better because its z score is greater than the z score of the psychology test.<BR>\n" );
document.write( "d.	The psychology test score is relatively better because its z score is less than the z score for the economics test score.<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 #806382 by </B><A HREF=/tutors/aboutme.mpl?userid=CubeyThePenguin><B>CubeyThePenguin(3113)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=CubeyThePenguin><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/cgi-bin/show-face.mpl?user=CubeyThePenguin><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=806382\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z = (x - mu)/(sigma)\r<BR>\n" );
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document.write( "z = z score<BR>\n" );
document.write( "x = observed value<BR>\n" );
document.write( "mu = mean<BR>\n" );
document.write( "sigma = standard deviation\r<BR>\n" );
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document.write( "psychology:<BR>\n" );
document.write( "z = (76 - 88)/(10) = -1.2\r<BR>\n" );
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document.write( "economics:<BR>\n" );
document.write( "z = (33 - 47)/5 = -2.8\r<BR>\n" );
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document.write( "The psychology test score is relatively better because its z-score is greater than the z-score of the economics test. </SPAN>\n" );
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