Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[8,10]	9	4	0.148148	0.148148	0.074074
]10,12]	11	5	0.185185	0.333333	0.092593
]12,14]	13	5	0.185185	0.518519	0.092593
]14,16]	15	4	0.148148	0.666667	0.074074
]16,18]	17	5	0.185185	0.851852	0.092593
]18,20]	19	4	0.148148	1	0.074074