\documentclass{article}
\usepackage{graphicx}
\begin{document}

\section{Model Input Space}
\begin{tabular}{l | l | l}
reviewDocs2 &250 \\
\end {tabular}
\section{Simulation Results}
\begin{tabular}{lllll}
                                 &\multicolumn{2}{c}{Cost}&\multicolumn{2}{c}{Queue time}\\\cline{2-5}
                                          &before & after & before & after\\\hline
median (50th percentile)                  & 50.0      & 52.0  & 41.1  & 38.9     \\
intra-quartile range (75-25th percentile) & 8.01     & 7.00     & 5.60    & 3.66       \\\hline
\end{tabular}

\includegraphics[scale=.5]{result5.png}
\section{Rules learned}

Given that:\\
  REVIEWDOCS is in (18) \\
  SCANMRTD is in (0.2368) \\
Score: 0.86202645\\
Support: 6\\
Averages: (49.51547 37.663715)\\

\end{document}

