\begin{table}%t4
\caption{\label{tab:popsims_results2}Unmarginalized, best-fit $f$ and $f_{\rm cross}$ for mock data sets.}
\small%\centerline
{
\begin{tabular}{lllll}
\hline\hline
\multicolumn{1}{c}{Mock sample} &
\multicolumn{2}{c}{$f$} &
\multicolumn{2}{c}{$f_{\rm cross}$}\\
\multicolumn{1}{c}{}&
\multicolumn{1}{c}{Input}&
\multicolumn{1}{c}{best-fit}&
\multicolumn{1}{c}{Input} &
\multicolumn{1}{c}{best-fit} \\
\hline 
\noalign{\smallskip}
MA1 & 0.5 & $\rm 0.317^{+0.314}_{-0.179}$ & 1 & $\rm 1.021^{+1.494}_{-0.387}$\\
\noalign{\smallskip}
MB1 & 1 & $\rm 0.852^{+0.609}_{-0.333}$ & 1.5 & $\rm 2.166^{+5.372}_{-0.946}$\\
\noalign{\smallskip}
MC1 & 1 & $\rm 0.987^{+0.613}_{-0.473}$& 0.5 & $\rm 0.813^{+0.960}_{-0.420}$ \\
\noalign{\smallskip}
MA2 & 0.5 & $\rm 0.367^{+0.257}_{-0.233}$ & 1 & $\rm 1.091^{+1.219}_{-0.477}$\\
\hline
\end{tabular}}
\smallskip
 Note: errors are 68\% confidence intervals.
\end{table}