\begin{table}%T3
\caption{\label{ilopstats}Statistics of interloper surface densities $\Sigma_{\rm i}$ (in
  $N_{v}~r_{v}^{-2}$).}
  \small
%\centering
\par
\begin{tabular}{llc}
\hline\hline\noalign{\smallskip}
Velocity cut & \multicolumn{1}{c}{No\ } & Yes \\ 
\hline
Arithmetic mean & 0.116 & \ \ 0.098 \\ 
Geometric mean & 0.102 & \ \ 0.085 \\ 
Standard deviation of $\log\hat\Sigma_{\rm i}$ & 0.216 & \ \ 0.229 \\ 
Spearman rank correlation &  $0.025$ & $-0.008$ \\ 
Probability & 0.34 &~0.44 \\ 
\hline
\end{tabular}
\tablefoot{Spearman rank correlation is between mean surface density of
interlopers and halo mass.
Probability is of having a stronger correlation by chance.}
\vspace*{-4mm}
\end{table}