The graph displays the heights of the students in a class. Which statement about these data is correct?
- AThere are two students who are $147\,\text{cm}$ tall.
- BThe most frequent height range is $160$-$164\,\text{cm}$.
- CThe range of student heights measured is $150$-$174\,\text{cm}$.
- DThere are $72$ students in this study.