Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[10,12[	11	25	0.347222	0.347222	0.173611
[12,14[	13	3	0.041667	0.388889	0.020833
[14,16[	15	15	0.208333	0.597222	0.104167
[16,18[	17	9	0.125	0.722222	0.0625
[18,20[	19	10	0.138889	0.861111	0.069444
[20,22[	21	8	0.111111	0.972222	0.055556
[22,24]	23	2	0.027778	1	0.013889