Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[60,80]	70	25	0.052521	0.052521	0.002626
]80,100]	90	64	0.134454	0.186975	0.006723
]100,120]	110	63	0.132353	0.319328	0.006618
]120,140]	130	91	0.191176	0.510504	0.009559
]140,160]	150	124	0.260504	0.771008	0.013025
]160,180]	170	58	0.121849	0.892857	0.006092
]180,200]	190	37	0.077731	0.970588	0.003887
]200,220]	210	14	0.029412	1	0.001471