Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[15.4,15.5[	15.45	1	0.027778	0.027778	0.277778
[15.5,15.6[	15.55	6	0.166667	0.194444	1.666667
[15.6,15.7[	15.65	2	0.055556	0.25	0.555556
[15.7,15.8[	15.75	11	0.305556	0.555556	3.055556
[15.8,15.9[	15.85	11	0.305556	0.861111	3.055556
[15.9,16[	15.95	2	0.055556	0.916667	0.555556
[16,16.1]	16.05	3	0.083333	1	0.833333