Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[80,100[	90	9	0.123288	0.123288	0.006164
[100,120[	110	4	0.054795	0.178082	0.00274
[120,140[	130	13	0.178082	0.356164	0.008904
[140,160[	150	11	0.150685	0.506849	0.007534
[160,180[	170	3	0.041096	0.547945	0.002055
[180,200[	190	3	0.041096	0.589041	0.002055
[200,220[	210	0	0	0.589041	0
[220,240[	230	4	0.054795	0.643836	0.00274
[240,260[	250	8	0.109589	0.753425	0.005479
[260,280[	270	11	0.150685	0.90411	0.007534
[280,300[	290	5	0.068493	0.972603	0.003425
[300,320]	310	2	0.027397	1	0.00137