Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[0,10]	5	25	0.027778	0.027778	0.002778
]10,20]	15	330	0.366667	0.394444	0.036667
]20,30]	25	487	0.541111	0.935556	0.054111
]30,40]	35	41	0.045556	0.981111	0.004556
]40,50]	45	16	0.017778	0.998889	0.001778
]50,60]	55	0	0	0.998889	0
]60,70]	65	1	0.001111	1	0.000111