Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[3,4]	3.5	1	0.05	0.05	0.05
]4,5]	4.5	1	0.05	0.1	0.05
]5,6]	5.5	2	0.1	0.2	0.1
]6,7]	6.5	5	0.25	0.45	0.25
]7,8]	7.5	7	0.35	0.8	0.35
]8,9]	8.5	4	0.2	1	0.2