(Solved): A professor had students keep track of their social interactions for a week. The number of social i ...

A professor had students keep track of their social interactions for a week. The number of social interactions over the week is shown in the following grouped frequency distribution. Identify the lower limit of the eighth class. \begin{tabular}{|c|c|} \hline Number of Social Interactions & Frequency \\ \hline \( 5-9 \) & 13 \\ \hline \( 10-14 \) & 15 \\ \hline \( 15-19 \) & 17 \\ \hline \( 20-24 \) & 13 \\ \hline \( 25-29 \) & 19 \\ \hline \( 30-34 \) & 10 \\ \hline \( 35-39 \) & 8 \\ \hline \( 40-44 \) & 3 \\ \hline \( 45-49 \) & 1 \\ \hline \( 50-54 \) & 2 \\ \hline \end{tabular}