Several children were asked how many TV shows they watch each day. The results of the survey are shown in Table 2.39.
$$
\begin{array}{|l|l|}\hline \text { Number of TV Shows } & {\text { Frequency }} \\ \hline 0 & {12} \\ \hline 1 & {18} \\ \hline 2 & {36} \\ \hline 3 & {7} \\ \hline 4 & {2} \\ \hline\end{array}
$$