Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[60,80[	70	5	0.045872	0.045872	0.002294
[80,100[	90	30	0.275229	0.321101	0.013761
[100,120[	110	17	0.155963	0.477064	0.007798
[120,140[	130	4	0.036697	0.513761	0.001835
[140,160[	150	7	0.06422	0.577982	0.003211
[160,180[	170	2	0.018349	0.59633	0.000917
[180,200[	190	8	0.073394	0.669725	0.00367
[200,220[	210	12	0.110092	0.779817	0.005505
[220,240[	230	2	0.018349	0.798165	0.000917
[240,260[	250	9	0.082569	0.880734	0.004128
[260,280[	270	1	0.009174	0.889908	0.000459
[280,300[	290	1	0.009174	0.899083	0.000459
[300,320[	310	1	0.009174	0.908257	0.000459
[320,340[	330	3	0.027523	0.93578	0.001376
[340,360[	350	1	0.009174	0.944954	0.000459
[360,380[	370	1	0.009174	0.954128	0.000459
[380,400[	390	1	0.009174	0.963303	0.000459
[400,420[	410	1	0.009174	0.972477	0.000459
[420,440[	430	1	0.009174	0.981651	0.000459
[440,460[	450	0	0	0.981651	0
[460,480]	470	2	0.018349	1	0.000917