Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[29,29.5[	29.25	3	0.035714	0.035714	0.071429
[29.5,30[	29.75	26	0.309524	0.345238	0.619048
[30,30.5[	30.25	10	0.119048	0.464286	0.238095
[30.5,31[	30.75	36	0.428571	0.892857	0.857143
[31,31.5]	31.25	9	0.107143	1	0.214286