Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[80,100[	90	44	0.458333	0.458333	0.022917
[100,120[	110	26	0.270833	0.729167	0.013542
[120,140[	130	16	0.166667	0.895833	0.008333
[140,160[	150	2	0.020833	0.916667	0.001042
[160,180[	170	0	0	0.916667	0
[180,200[	190	5	0.052083	0.96875	0.002604
[200,220[	210	2	0.020833	0.989583	0.001042
[220,240]	230	1	0.010417	1	0.000521