Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[50,60[	55	3	0.176471	0.176471	0.017647
[60,70[	65	5	0.294118	0.470588	0.029412
[70,80[	75	1	0.058824	0.529412	0.005882
[80,90[	85	3	0.176471	0.705882	0.017647
[90,100[	95	2	0.117647	0.823529	0.011765
[100,110]	105	3	0.176471	1	0.017647