Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[2,4]	3	2	0.04	0.04	0.02
]4,6]	5	1	0.02	0.06	0.01
]6,8]	7	11	0.22	0.28	0.11
]8,10]	9	20	0.4	0.68	0.2
]10,12]	11	6	0.12	0.8	0.06
]12,14]	13	6	0.12	0.92	0.06
]14,16]	15	2	0.04	0.96	0.02
]16,18]	17	2	0.04	1	0.02