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	9	0.107143	0.119048	0.010714
[80,90[	85	17	0.202381	0.321429	0.020238
[90,100[	95	10	0.119048	0.440476	0.011905
[100,110[	105	5	0.059524	0.5	0.005952
[110,120[	115	6	0.071429	0.571429	0.007143
[120,130[	125	6	0.071429	0.642857	0.007143
[130,140[	135	3	0.035714	0.678571	0.003571
[140,150[	145	8	0.095238	0.77381	0.009524
[150,160[	155	4	0.047619	0.821429	0.004762
[160,170[	165	8	0.095238	0.916667	0.009524
[170,180]	175	7	0.083333	1	0.008333