Mean: 66.03, Standard deviation: 13.75
Median: 66
Mode: 76
Equiwidth Histogram
30-39: 5
40-49: 15
50-59: 19
60-69: 43
70-79: 31
80-89: 20
90-99: 3
Equidepth Histogram
30-48: 17
49-57: 18
58-62: 19
63-65: 14
66-70: 17
71-75: 18
76-81: 16
82-99: 17