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\begin{tabular}{@{}l@{\kern-5pt} *{5}{.}l@{}}\toprule
Parameter & \mc{ 1. Nullstelle } & \mc{ 1. Minimum } & \mc{ 2. Nullstelle } 
          & \mc{ gesamtes } & \mc{ 1. Minimum } \\
 &&&      & \mc{ Gebiet }   & \mc{verschoben}   \\\midrule
Mittelwert  & $ -0.02$ & $ -0.10$ & $-0.16$ & $-0.19$ & $-0.01$\\
Standardabw.& $  3.52$ & $  3.98$ & $ 1.53$ & $ 1.21$ & $ 1.65$ \\
Minimum     & $-13.61$ & $-17.61$ & $-5.73$ & $-5.70$ & $-7.30$\\
Maximum     & $ 12.65$ & $ 13.30$ & $ 6.54$ & $ 4.91$ & $ 4.65$ \\\bottomrule
\end{tabular}


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