LaTeX Forum

\documentclass{article}
\usepackage{booktabs}
\usepackage[T1]{fontenc}
\begin{document}
\begin{table}
	\centering
	\begin{tabular}{c  c}
        \toprule
		A & Fehlerrate  \\
		\midrule
		x & < $10^{-6}$   \\
		h & < $10^{-7}$   \\
		i & <$10^{-7}$ =  \\
		f & <$10^{-8}$   \\
		\bottomrule
	\end{tabular}
\end{table}
\end{document}

\begin{table}
	\centering
	
	\begin{tabular}{c  c}
		\hline
		A & Fehlerrate  \\
		\hline
		x & < $10^{-6}$   \\
		h & < $10^{-7}$   \\
		i & <$10^{-7}$ =  \\
		f & <$10^{-8}$   \\
		\hline
	\end{tabular}

\end{table}