Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[15.88,15.9[	15.89	2	0.08	0.08	4
[15.9,15.92[	15.91	4	0.16	0.24	8
[15.92,15.94[	15.93	3	0.12	0.36	6
[15.94,15.96[	15.95	8	0.32	0.68	16
[15.96,15.98]	15.97	8	0.32	1	16