Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[60,80[	70	24	0.050526	0.050526	0.002526
[80,100[	90	63	0.132632	0.183158	0.006632
[100,120[	110	63	0.132632	0.315789	0.006632
[120,140[	130	90	0.189474	0.505263	0.009474
[140,160[	150	125	0.263158	0.768421	0.013158
[160,180[	170	59	0.124211	0.892632	0.006211
[180,200[	190	37	0.077895	0.970526	0.003895
[200,220]	210	14	0.029474	1	0.001474