Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[4,6[	5	1	0.005917	0.005917	0.003106
[6,8[	7	3	0.017751	0.023669	0.009317
[8,10[	9	13	0.076923	0.100592	0.040373
[10,12[	11	29	0.171598	0.272189	0.090062
[12,14[	13	43	0.254438	0.526627	0.13354
[14,16[	15	38	0.224852	0.751479	0.118012
[16,18[	17	23	0.136095	0.887574	0.071429
[18,20]	19	11	0.065089	0.952663	0.034161