Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[6,8[	7	1	0.02	0.02	0.01
[8,10[	9	7	0.14	0.16	0.07
[10,12[	11	18	0.36	0.52	0.18
[12,14[	13	19	0.38	0.9	0.19
[14,16[	15	4	0.08	0.98	0.04
[16,18]	17	1	0.02	1	0.01