Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[10,10.5[	10.25	9	0.116883	0.116883	0.233766
[10.5,11[	10.75	25	0.324675	0.441558	0.649351
[11,11.5[	11.25	10	0.12987	0.571429	0.25974
[11.5,12[	11.75	18	0.233766	0.805195	0.467532
[12,12.5[	12.25	12	0.155844	0.961039	0.311688
[12.5,13]	12.75	3	0.038961	1	0.077922