Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[80,100[	90	4	0.04	0.04	0.002
[100,120[	110	16	0.16	0.2	0.008
[120,140[	130	27	0.27	0.47	0.0135
[140,160[	150	35	0.35	0.82	0.0175
[160,180[	170	9	0.09	0.91	0.0045
[180,200]	190	9	0.09	1	0.0045