Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[80,100[	90	44	0.611111	0.611111	0.030556
[100,120[	110	18	0.25	0.861111	0.0125
[120,140[	130	4	0.055556	0.916667	0.002778
[140,160[	150	0	0	0.916667	0
[160,180[	170	0	0	0.916667	0
[180,200[	190	5	0.069444	0.986111	0.003472
[200,220]	210	1	0.013889	1	0.000694