\begin{table}%t3
%\centering
\par
\caption{\label{tab:statdata}The mean of the sufficient statistics for the data and the mocks.}
\begin{tabular}{lrrr} 
\hline \hline 
\noalign{\smallskip}
& \multicolumn{3}{c}{\strut Sufficient statistics}\\ 
 \raisebox{1ex}[0pt]{Data sets}&\strut  $\bar{n_2}$ & $\bar{n_0}$  
& $\bar{n_1}$ \\ \hline 
\strut 2dF & 1.94  & 5.30 & 11.66\\ 
MOCK 1 & 2.53  & 5.62 & 13.16\\ 
MOCK 2 & 0.48 & 6.20 & 7.52\\ 
MOCK 3 & 1.29 & 4.65 & 6.88\\
MOCK 4 & 1.55 & 9.33 & 15.45\\ 
MOCK 5 & 1.45 & 10.63 & 9.24\\ 
MOCK 6 & 0.38 & 6.21 & 8.96\\
MOCK 7 & 1.36 & 9.08 & 8.12\\
MOCK 8 & 0.18 & 6.91 & 4.27\\ 
MOCK 9 & 2.07 & 6.09 & 9.76\\ 
MOCK 10 & 1.62 & 4.40 & 11.91\\
MOCK 11 & 1.28  & 4.65 & 10.14\\ 
MOCK 12 & 2.65 & 7.97 & 11.25\\ 
MOCK 13 & 0.73 & 6.48 & 7.08\\
MOCK 14 & 0.36 & 7.30 & 16.44\\   
MOCK 15 & 0.98 & 4.36 & 8.47\\
MOCK 16 & 2.75 & 11.04 & 22.88\\ 
MOCK 17 & 0.30 & 5.96 & 7.67\\ 
MOCK 18 & 2.15 & 5.11 & 10.44\\
MOCK 19 & 1.59 & 8.02 & 10.99\\ 
MOCK 20 & 1.27 & 8.79 & 10.50\\
MOCK 21 & 2.77 & 10.57 & 11.06\\ 
MOCK 22 & 1.79 & 8.10 & 17.26\\   
\hline 
\end{tabular}
\tablefoot{$\bar{n_2}$ is the mean number of the $2$-connected cylinders,  
$\bar{n_1}$ is the mean number of the $1$-connected cylinders and  
$\bar{n_0}$ is the mean number of the $0$-connected cylinders.}
\end{table}