\begin{table}%t3
%\centering
\par
   \caption{KMM bimodal
fitting results for the A3667 redshift sample. \label{tab:KMM}}
 \begin{tabular}[c]{lcccc}
 \cline{2-5}\\[-3mm]\cline{2-5}%
 &\multicolumn{2}{l}{Input parameters} &\multicolumn{2}{l}{Output parameters}\\ 
 \cline{2-5}% 
& Group1 & Group2 & Group1 & Group2 \\\hline
 \multicolumn{1}{l}{Mean Group $z$} & 0.0555 & 0.0625 & 0.0555 &--\\
 \multicolumn{1}{l}{Proportion} & 0.935 & 0.065 & 1.0 & 0\\
 \multicolumn{1}{l}{No. of Galaxies} & 216 & 15 & 231 & 0\\\hline
 \end{tabular}
\end{table}