\begin{table}%t3
\par
\caption {\label{Table_P1}Probability levels for the rule-of-thumb consistency condition.}
%\centering
\par
\begin{tabular}{cc c}
\hline\hline
$n_i -\nu$ & $P_1 = P [\chi^2 > n_i-\nu]$ & 
$P_2 = P [\chi^2 > 4 (n_i-\nu)]$ \\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
1 &  0.3173 & 0.0455 \\
2 &  0.3679 & 0.0183 \\
3 &  0.3916 & 0.0074 \\
4 &  0.4060 & 0.0030 \\
5 &  0.4159 & 0.0012 \\
\hline
\end{tabular}
\end{table}