\begin{center}
 \begin{tabular}{*{3}{l}}
 \hline
               & Estimate & S.E. \\
\hline 
 \hline
  (Intercept)   &    11.688*   &   (0.15) \\
  elevation   &    -0.003*   &   (0) \\
 \hline 
N   &    92    & \\
 $RMSE$       & 0.958    &  \\
 $R^2$       & 0.741    &  \\
 \hline\hline
* $p \le 0.05$\end{tabular}
\end{center}