Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[18,19[	18.5	8	0.047337	0.047337	0.047337
[19,20[	19.5	36	0.213018	0.260355	0.213018
[20,21[	20.5	13	0.076923	0.337278	0.076923
[21,22[	21.5	47	0.278107	0.615385	0.278107
[22,23[	22.5	33	0.195266	0.810651	0.195266
[23,24[	23.5	19	0.112426	0.923077	0.112426
[24,25[	24.5	8	0.047337	0.970414	0.047337
[25,26[	25.5	3	0.017751	0.988166	0.017751
[26,27[	26.5	1	0.005917	0.994083	0.005917
[27,28]	27.5	1	0.005917	1	0.005917