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

\section{Model Input Space}
\begin{tabular}{l | l | l}
reviewDocs2 &300 \\
\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)                  & 0.02      & -5.02   & 41.2   & 41.3    \\
intra-quartile range (75-25th percentile) & 7.28    & 8.00    & 5.07   & 5.17      \\\hline
\end{tabular}

\includegraphics[scale=.5]{result3.png}
\section{Rules learned}

Given that:\\
  READWATCHLISTDATA is in (28.414) \\
Score: 0.76085186\\
Support: 17\\
Averages: (-4.2923746 41.909386)\\

\end{document}

