Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[6,8[	7	1	0.006173	0.006173	0.003086
[8,10[	9	2	0.012346	0.018519	0.006173
[10,12[	11	8	0.049383	0.067901	0.024691
[12,14[	13	25	0.154321	0.222222	0.07716
[14,16[	15	43	0.265432	0.487654	0.132716
[16,18[	17	69	0.425926	0.91358	0.212963
[18,20]	19	14	0.08642	1	0.04321