document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=588771>Question 588771</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the z score for each number: 50,75,75,100 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #374625 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=374625\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> M=(50+75+75+100)/4=75<BR>\n" );
document.write( "v=((50-75)^2+(75-75)^2*2+(100-75)^2)/3 = 1250/3<BR>\n" );
document.write( "sqrt(v)=s=20.41<BR>\n" );
document.write( "z=(x-m)/s<BR>\n" );
document.write( "z[50]=-25/20.41 = -1.22<BR>\n" );
document.write( "z[75]=0<BR>\n" );
document.write( "z[100]=25/20.41 = 1.22<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );