Distribution of Weights of Raindbow Trouts
$$ \begin{array} {|c|c|} \hline \text{Weight range, in pounds} & \text{Frequency} \\ \hline \hline \text{ lower than 1.5 } & 2 \\ \hline 1.5 \text{ up to } 2.5 & 7 \\ \hline 2.5 \text{ up to } 3.5 & 13 \\ \hline 3.5 \text{ up to } 4.5 & 22 \\ \hline \text{ greater than } 4.5 & 6 \\ \hline \end{array} $$

A scientist caught, weighed, and released 50 bullfrogs to collect data. A summary of the data is shown in the table above. Which of the following could be the median weight, in pounds, of the bullfrogs caught?