#### Answer

\begin{array}{c}& \textbf{Age} & \textbf{Frequency}
\\\hline & \text{3} & \text{2}
\\ & \text{4} & \text{4}
\\ & \text{5} & \text{4}
\\ & \text{6} & \text{1}
\\ & \text{7} & \text{4}
\\ & \text{8} & \text{3}
\\ & \text{9} & \text{2}
\end{array}

#### Work Step by Step

Tally the number of occurrences for each age.