Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[40,50]	45	27	0.075	0.075	0.0075
]50,60]	55	38	0.105556	0.180556	0.010556
]60,70]	65	53	0.147222	0.327778	0.014722
]70,80]	75	94	0.261111	0.588889	0.026111
]80,90]	85	82	0.227778	0.816667	0.022778
]90,100]	95	33	0.091667	0.908333	0.009167
]100,110]	105	17	0.047222	0.955556	0.004722
]110,120]	115	8	0.022222	0.977778	0.002222
]120,130]	125	3	0.008333	0.986111	0.000833
]130,140]	135	1	0.002778	0.988889	0.000278
]140,150]	145	1	0.002778	0.991667	0.000278
]150,160]	155	1	0.002778	0.994444	0.000278
]160,170]	165	0	0	0.994444	0
]170,180]	175	2	0.005556	1	0.000556