Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[26.5,27[	26.75	2	0.02381	0.02381	0.047619
[27,27.5[	27.25	7	0.083333	0.107143	0.166667
[27.5,28[	27.75	5	0.059524	0.166667	0.119048
[28,28.5[	28.25	11	0.130952	0.297619	0.261905
[28.5,29[	28.75	3	0.035714	0.333333	0.071429
[29,29.5[	29.25	5	0.059524	0.392857	0.119048
[29.5,30[	29.75	4	0.047619	0.440476	0.095238
[30,30.5[	30.25	3	0.035714	0.47619	0.071429
[30.5,31[	30.75	12	0.142857	0.619048	0.285714
[31,31.5[	31.25	15	0.178571	0.797619	0.357143
[31.5,32]	31.75	17	0.202381	1	0.404762