document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=78698>Question 78698</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Need some help\r<BR>\n" );
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document.write( "Exam Grades, Which if these grades has a better relative position?\r<BR>\n" );
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document.write( "a.  A grade of 82 on a test with X=85 and s=6 (Note there is a line over the X)<BR>\n" );
document.write( "b.  A grade of 56 on a test with X=60 and s=5 ( Note there is a line over the X)<BR>\n" );
document.write( "thank you for your time...Dave </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #56438 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=56438\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Which if these grades has a better relative position? <BR>\n" );
document.write( "a. A grade of 82 on a test with X=85 and s=6 (Note there is a line over the X)<BR>\n" );
document.write( "b. A grade of 56 on a test with X=60 and s=5 ( Note there is a line over the X)<BR>\n" );
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document.write( "x-bar is the sample mean; s is the sample standard deviation.<BR>\n" );
document.write( "a. A grade of 82 on a test with X=85 and s=6 (Note there is a line over the X)<BR>\n" );
document.write( "Meansure the distance 83 is from the mean using s as the unit of measure:<BR>\n" );
document.write( "(82-85)/6 = -1/2<BR>\n" );
document.write( "This means that 82 is one-half standard deviation below the mean score.<BR>\n" );
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document.write( "b. A grade of 56 on a test with X=60 and s=5 ( Note there is a line over the X)<BR>\n" );
document.write( "(56-60)/5= -4/5= -0.8<BR>\n" );
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document.write( "The grade of 56 is further below the mean of its sample then the 82, so 56<BR>\n" );
document.write( "is a worse score; 82 is the better of the two.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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