Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[60,70[	65	1	0.011905	0.011905	0.00119
[70,80[	75	18	0.214286	0.22619	0.021429
[80,90[	85	26	0.309524	0.535714	0.030952
[90,100[	95	19	0.22619	0.761905	0.022619
[100,110]	105	20	0.238095	1	0.02381