Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[37.5,38[	37.75	10	0.104167	0.104167	0.208333
[38,38.5[	38.25	42	0.4375	0.541667	0.875
[38.5,39[	38.75	42	0.4375	0.979167	0.875
[39,39.5]	39.25	2	0.020833	1	0.041667