Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[6,8[	7	3	0.15	0.15	0.075
[8,10[	9	1	0.05	0.2	0.025
[10,12[	11	5	0.25	0.45	0.125
[12,14[	13	8	0.4	0.85	0.2
[14,16[	15	2	0.1	0.95	0.05
[16,18[	17	0	0	0.95	0
[18,20]	19	1	0.05	1	0.025