Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[16,18[	17	2	0.181818	0.181818	0.090909
[18,20[	19	2	0.181818	0.363636	0.090909
[20,22[	21	1	0.090909	0.454545	0.045455
[22,24[	23	0	0	0.454545	0
[24,26[	25	1	0.090909	0.545455	0.045455
[26,28[	27	2	0.181818	0.727273	0.090909
[28,30[	29	1	0.090909	0.818182	0.045455
[30,32]	31	2	0.181818	1	0.090909