Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[50,60[	55	5	0.059524	0.059524	0.005952
[60,70[	65	8	0.095238	0.154762	0.009524
[70,80[	75	9	0.107143	0.261905	0.010714
[80,90[	85	14	0.166667	0.428571	0.016667
[90,100[	95	10	0.119048	0.547619	0.011905
[100,110[	105	5	0.059524	0.607143	0.005952
[110,120[	115	15	0.178571	0.785714	0.017857
[120,130[	125	8	0.095238	0.880952	0.009524
[130,140]	135	10	0.119048	1	0.011905