Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[39,39.5[	39.25	2	0.027778	0.027778	0.055556
[39.5,40[	39.75	19	0.263889	0.291667	0.527778
[40,40.5[	40.25	13	0.180556	0.472222	0.361111
[40.5,41[	40.75	5	0.069444	0.541667	0.138889
[41,41.5[	41.25	11	0.152778	0.694444	0.305556
[41.5,42[	41.75	11	0.152778	0.847222	0.305556
[42,42.5]	42.25	11	0.152778	1	0.305556