Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[5,10]	7.5	25	0.027778	0.027778	0.005556
]10,15]	12.5	104	0.115556	0.143333	0.023111
]15,20]	17.5	226	0.251111	0.394444	0.050222
]20,25]	22.5	401	0.445556	0.84	0.089111
]25,30]	27.5	86	0.095556	0.935556	0.019111
]30,35]	32.5	20	0.022222	0.957778	0.004444
]35,40]	37.5	21	0.023333	0.981111	0.004667
]40,45]	42.5	0	0	0.981111	0
]45,50]	47.5	16	0.017778	0.998889	0.003556
]50,55]	52.5	0	0	0.998889	0
]55,60]	57.5	0	0	0.998889	0
]60,65]	62.5	1	0.001111	1	0.000222