Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[0,10]	5	4	0.047059	0.047059	0.004706
]10,20]	15	3	0.035294	0.082353	0.003529
]20,30]	25	3	0.035294	0.117647	0.003529
]30,40]	35	37	0.435294	0.552941	0.043529
]40,50]	45	25	0.294118	0.847059	0.029412
]50,60]	55	6	0.070588	0.917647	0.007059
]60,70]	65	5	0.058824	0.976471	0.005882
]70,80]	75	2	0.023529	1	0.002353