Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[90,100[	95	2	0.027778	0.027778	0.002778
[100,110[	105	15	0.208333	0.236111	0.020833
[110,120[	115	47	0.652778	0.888889	0.065278
[120,130]	125	8	0.111111	1	0.011111