Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[80,100[	90	99	0.66	0.66	0.033
[100,120[	110	28	0.186667	0.846667	0.009333
[120,140[	130	21	0.14	0.986667	0.007
[140,160[	150	0	0	0.986667	0
[160,180[	170	0	0	0.986667	0
[180,200[	190	0	0	0.986667	0
[200,220]	210	2	0.013333	1	0.000667