Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[50,60[	55	3	0.035294	0.035294	0.003529
[60,70[	65	6	0.070588	0.105882	0.007059
[70,80[	75	1	0.011765	0.117647	0.001176
[80,90[	85	20	0.235294	0.352941	0.023529
[90,100[	95	10	0.117647	0.470588	0.011765
[100,110[	105	6	0.070588	0.541176	0.007059
[110,120[	115	2	0.023529	0.564706	0.002353
[120,130[	125	8	0.094118	0.658824	0.009412
[130,140[	135	9	0.105882	0.764706	0.010588
[140,150[	145	11	0.129412	0.894118	0.012941
[150,160[	155	8	0.094118	0.988235	0.009412
[160,170]	165	1	0.011765	1	0.001176