Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[60,70[	65	1	0.0125	0.0125	0.00125
[70,80[	75	6	0.075	0.0875	0.0075
[80,90[	85	7	0.0875	0.175	0.00875
[90,100[	95	10	0.125	0.3	0.0125
[100,110[	105	17	0.2125	0.5125	0.02125
[110,120[	115	16	0.2	0.7125	0.02
[120,130[	125	14	0.175	0.8875	0.0175
[130,140[	135	7	0.0875	0.975	0.00875
[140,150[	145	2	0.025	1	0.0025