Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[80,100[	90	9	0.118421	0.118421	0.005921
[100,120[	110	14	0.184211	0.302632	0.009211
[120,140[	130	20	0.263158	0.565789	0.013158
[140,160[	150	8	0.105263	0.671053	0.005263
[160,180[	170	5	0.065789	0.736842	0.003289
[180,200[	190	5	0.065789	0.802632	0.003289
[200,220[	210	5	0.065789	0.868421	0.003289
[220,240[	230	6	0.078947	0.947368	0.003947
[240,260]	250	4	0.052632	1	0.002632