\begin{table}%t4
%\centering
\par
\caption{\label{tab4}Run test for the evaluation of the $B$ coefficient of the FJR from the SDSS sample of galaxies.}
\par
\begin{tabular}{lc}
\hline\hline\noalign{\smallskip}
Sample & Per cent\tablefootmark{a}\\
Increasing magnitude intervals (upper magnitude cut-off)& \\
\hline
Total SDSS ($g$ filter)& 96 \\
Total SDSS ($r$ filter)& 96 \\
1~mag interval   & \\
 \hline
Total SDSS ($g$ filter)& 90 \\
Total SDSS ($r$ filter)& 90 \\
\hline
\end{tabular}
\tablefoot{\tablefoottext{a}{The null hypothesis establishes that there is no underlying trend in the data, the percentages refer to the confidence level with which we can reject the null hypothesis.}}
\end{table}