Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[18,19[	18.5	8	0.048193	0.048193	0.048193
[19,20[	19.5	35	0.210843	0.259036	0.210843
[20,21[	20.5	13	0.078313	0.337349	0.078313
[21,22[	21.5	47	0.283133	0.620482	0.283133
[22,23[	22.5	32	0.192771	0.813253	0.192771
[23,24[	23.5	18	0.108434	0.921687	0.108434
[24,25[	24.5	8	0.048193	0.96988	0.048193
[25,26[	25.5	3	0.018072	0.987952	0.018072
[26,27[	26.5	1	0.006024	0.993976	0.006024
[27,28]	27.5	1	0.006024	1	0.006024