Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[60,80[	70	6	0.071429	0.071429	0.003571
[80,100[	90	15	0.178571	0.25	0.008929
[100,120[	110	8	0.095238	0.345238	0.004762
[120,140[	130	7	0.083333	0.428571	0.004167
[140,160[	150	15	0.178571	0.607143	0.008929
[160,180[	170	29	0.345238	0.952381	0.017262
[180,200[	190	3	0.035714	0.988095	0.001786
[200,220]	210	1	0.011905	1	0.000595