\begin{table}%t3
 \caption{The biasing parameters for red and blue VVDS subsamples 
on a scale $R=8$~\hpcp}  
\label{table4} 
%\centering
\par
\begin{tabular}{ l l l l l}
\hline\hline
Redshift &Volume & $\bl^{\rm rel}$&$\bl^{R}$&$\bl^{B}$   \\
range    & limited &          &         &        \\
\hline
     $0.7<z<0.9$ &No & $1.3\pm0.2$&$1.3\pm0.5$&$1.0\pm0.5$\\
     $0.9<z<1.1$ &No & $1.3\pm0.2$&$1.4\pm0.5$&$1.1\pm0.4$\\
     $1.1<z<1.3$ &No & $1.4\pm0.2$&$1.6\pm0.5$&$1.2\pm0.4$\\
     $1.3<z<1.5$ &No & $1.4\pm0.3$&$2.3\pm0.4$&$1.6\pm0.4$\\
\hline 
     $0.7<z<0.9$ &--20 & $1.4\pm0.3$&$1.5\pm0.6$&$1.1\pm0.6$\\
     $0.9<z<1.1$ &--20 & $1.3\pm0.3$&$1.6\pm0.6$&$1.2\pm0.5$\\
     $1.1<z<1.3$ &--20 & $1.5\pm0.2$&$2.0\pm0.5$&$1.3\pm0.4$\\
     $1.3<z<1.5$ &--20 & $1.3\pm0.3$&$2.1\pm0.4$&$1.6\pm0.4$\\
\hline
\end{tabular}
\end{table}