Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[60,70[	65	9	0.051136	0.051136	0.005114
[70,80[	75	26	0.147727	0.198864	0.014773
[80,90[	85	60	0.340909	0.539773	0.034091
[90,100[	95	59	0.335227	0.875	0.033523
[100,110[	105	15	0.085227	0.960227	0.008523
[110,120]	115	7	0.039773	1	0.003977