Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[100,110[	105	15	0.178571	0.178571	0.017857
[110,120[	115	15	0.178571	0.357143	0.017857
[120,130[	125	27	0.321429	0.678571	0.032143
[130,140[	135	3	0.035714	0.714286	0.003571
[140,150[	145	10	0.119048	0.833333	0.011905
[150,160]	155	14	0.166667	1	0.016667