Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[10.5,11[	10.75	2	0.02381	0.02381	0.047619
[11,11.5[	11.25	6	0.071429	0.095238	0.142857
[11.5,12[	11.75	18	0.214286	0.309524	0.428571
[12,12.5[	12.25	12	0.142857	0.452381	0.285714
[12.5,13[	12.75	30	0.357143	0.809524	0.714286
[13,13.5[	13.25	13	0.154762	0.964286	0.309524
[13.5,14]	13.75	3	0.035714	1	0.071429