Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[80,100[	90	2	0.02381	0.02381	0.00119
[100,120[	110	5	0.059524	0.083333	0.002976
[120,140[	130	3	0.035714	0.119048	0.001786
[140,160[	150	3	0.035714	0.154762	0.001786
[160,180[	170	5	0.059524	0.214286	0.002976
[180,200[	190	4	0.047619	0.261905	0.002381
[200,220[	210	5	0.059524	0.321429	0.002976
[220,240[	230	22	0.261905	0.583333	0.013095
[240,260[	250	13	0.154762	0.738095	0.007738
[260,280]	270	22	0.261905	1	0.013095