Below is partial Excel output from a multiple regression, with some information missing: $$\begin{array}{|l|r|} \hline \multicolumn{2}{|c|}{\mbox{Regression Statistics}} \\ \hline \mbox{Multiple R} & 0.8952 \\ \hline \mbox{R Square} & 0.8013 \\ \hline \mbox{Adjusted R Square} & 0.7516 \\ \hline \mbox{Standard Error} & 2.23 \\ \hline \mbox{Observations} & \\ \hline \end{array}$$

If there are 11 independent variables, determine the sample size (you may need to round to the nearest integer):

Sample Size =