What is the mean

What is the mean? 0.91 0.91 0.91 0.91 0.54 0.68 0.93 0.91 0.68

$\begin{array}{|rcll|} \hline && \frac{0.91+ 0.91+ 0.91+ 0.91+ 0.54+ 0.68+ 0.93+ 0.91+ 0.68}{9} \\ &=& \frac{5\cdot 0.91 +2\cdot 0.68+ 0.54+ 0.93 }{9} \\ &=& \frac{7.38}{9} \\ &=& 0.82 \\ \hline \end{array}$