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\begin{document}

\begin{tabular}{|p{3cm}|p{6cm}|m{6cm}|c|c|c|}\hline\hline
\textbf{Phase} & \textbf{Methoden} & \textbf{Auswahl} \\
\hline
\multirow{2}{*}{Define}
        & Project Charter  &  Project Charter\\
        & SIPOC &  \\
\hline
\multirow{4}{*}{Measure}
        & PFA  &  PFA\\
        & MSA &  \\
        & REFA  &  REFA\\
        & MTM &  \\
\hline
\multirow{3}{*}{Analyze}
        & Ishikawa-Diagramm  &  Ishikawa-Diagramm\\
        & FMEA &  \\
        & ANOVA  &  ANOVA\\
\hline\hline 
\end{tabular}

\end{document}