Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[15.5,16[	15.75	13	0.180556	0.180556	0.361111
[16,16.5[	16.25	17	0.236111	0.416667	0.472222
[16.5,17[	16.75	15	0.208333	0.625	0.416667
[17,17.5[	17.25	5	0.069444	0.694444	0.138889
[17.5,18[	17.75	14	0.194444	0.888889	0.388889
[18,18.5]	18.25	8	0.111111	1	0.222222