Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[90,100[	95	6	0.083333	0.083333	0.008333
[100,110[	105	21	0.291667	0.375	0.029167
[110,120[	115	39	0.541667	0.916667	0.054167
[120,130]	125	6	0.083333	1	0.008333