Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[12,14[	13	1	0.013889	0.013889	0.006944
[14,16[	15	4	0.055556	0.069444	0.027778
[16,18[	17	12	0.166667	0.236111	0.083333
[18,20[	19	21	0.291667	0.527778	0.145833
[20,22[	21	12	0.166667	0.694444	0.083333
[22,24[	23	16	0.222222	0.916667	0.111111
[24,26]	25	6	0.083333	1	0.041667