Answer
In order to make a histogram we have to know how frequently an interval occurs. There are 7 intervals:
59-64 occurs 1 time.
64-69 occurs 3 times
69-74 occurs 3 times
74-79 occurs 3 times
84-89 occurs 1 time
89-94 occurs 2 times.
Work Step by Step
Plot every interval using a bar to make a histogram: