\begin{table}%t4 
\caption{Best fitting parameters and the corresponding $\chi^2$ values 
for various biasing models.}
\label{table5} 
%\centering
\par
\begin{tabular}{ l l l }
\hline\hline
Model &Best fitting parameters & $\chi^2/$d.o.f.   \\
\hline
Conserving   &$b_f(z=1.4)=1.28\pm0.03$& 2\\
Merging      &$M=2.4\times10^{12}h^{-1}$$M_{\odot}$& 5.5\\
Star forming &$M=(3.2\pm3)\times10^{10}h^{-1}$$M_{\odot}$ & 0.7\\
\hline
\end{tabular} 
\end{table}