Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[40,50[	45	1	0.011905	0.011905	0.00119
[50,60[	55	1	0.011905	0.02381	0.00119
[60,70[	65	5	0.059524	0.083333	0.005952
[70,80[	75	9	0.107143	0.190476	0.010714
[80,90[	85	28	0.333333	0.52381	0.033333
[90,100[	95	31	0.369048	0.892857	0.036905
[100,110]	105	9	0.107143	1	0.010714