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<HTML>
<HEAD>
<TITLE>Chi-square probability</TITLE>
</HEAD>
<BODY bgcolor="#FFFFFF" fgcolor="#000000">
<P><A NAME="chisq"></A>
<font size="+3" color="green"><B>Chi-square probability</B></font></P>
<P>
<TABLE border="1" cols="2" frame="box" rules="all" width="572">
<TR>
<TD width="15%" valign="top"><B>Syntax</B>:</TD>
<TD width="85%"><CODE>
y = CHISQ(x,n)<br />
x = CHISQINV(y,n)</CODE>
</TD></TR>
</table></p>
<p>
The <img align="bottom" src="chisqI01.png"> probability function: </P>
<P>
<IMG ALIGN="BOTTOM" SRC="chisqI02.png"></P>
<P>
where <img align="bottom" src="chisqI03.png"></p>
<p>
Given <nobr>y = <img align="bottom" src="chisqI01.png"> and n, then
x is found from: <tt>CHISQINV</tt>(y,n) = x</p>
</BODY>
</HTML>
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