We have the next information
The initial boundary is 60.5 if the class width is 7
We have the next class boundaries
60.5
67.5
74.5
81.5
88.5
between 60.5 and 67.5 we have 62, 67, 64,61. Frequency 4
between 67.5 and 74.5 we have 73, 70 ,72,72,72, 69,69,69. Frequency 8
between 74.5 and 81.5 we have 79,76. Frequency 2
between 81.5 and 88.5 we have 82
Frequency 1
The Histogram is
82