document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=924259>Question 924259</A>: <I><SPAN STYLE=\"word-break: break-all;\"> c. compute the value of the test statistic<BR>\n" );
document.write( "z(1100-1090) = (1100-1090)/sqrt[(45^2/35) + (55^2/40) = 0.8655\r<BR>\n" );
document.write( "\n" );
document.write( "How did Stan H. arrive at the above .8655 on question 179268? I don't get that at all...I'm doing something wrong... </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #560837 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=560837\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281100-1090%29%2Fsqrt%28%2845%5E2%2F35%29+%2B+%2855%5E2%2F40%29%29+=%281100-1090%29%2F%28sqrt%28%2845%5E2%2F35%29+%2B+%2855%5E2%2F40%29%29%29+ ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281100-1090%29%2Fsqrt%28%2845%5E2%2F35%29+%2B+%2855%5E2%2F40%29%29+=%2810%29%2F%28sqrt%28%28405%2F7%29+%2B+%28605%2F8%29%29%29+ ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281100-1090%29%2Fsqrt%28%2845%5E2%2F35%29+%2B+%2855%5E2%2F40%29%29+=%2810%29%2F%28sqrt%287475%2F56%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281100-1090%29%2Fsqrt%28%2845%5E2%2F35%29+%2B+%2855%5E2%2F40%29%29+=%2810%29%2F%2811.55345%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281100-1090%29%2Fsqrt%28%2845%5E2%2F35%29+%2B+%2855%5E2%2F40%29%29+=0.8655 ALIGN=MIDDLE  ALT=\"%281100-1090%29%2Fsqrt%28%2845%5E2%2F35%29+%2B+%2855%5E2%2F40%29%29+=0.8655\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );