Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[80,100[	90	4	0.037037	0.037037	0.001852
[100,120[	110	22	0.203704	0.240741	0.010185
[120,140[	130	29	0.268519	0.509259	0.013426
[140,160[	150	35	0.324074	0.833333	0.016204
[160,180[	170	9	0.083333	0.916667	0.004167
[180,200]	190	9	0.083333	1	0.004167