Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[20,30[	25	4	0.004444	0.004444	0.000444
[30,40[	35	1	0.001111	0.005556	0.000111
[40,50[	45	20	0.022222	0.027778	0.002222
[50,60[	55	26	0.028889	0.056667	0.002889
[60,70[	65	81	0.09	0.146667	0.009
[70,80[	75	25	0.027778	0.174444	0.002778
[80,90[	85	199	0.221111	0.395556	0.022111
[90,100[	95	100	0.111111	0.506667	0.011111
[100,110[	105	302	0.335556	0.842222	0.033556
[110,120[	115	4	0.004444	0.846667	0.000444
[120,130[	125	80	0.088889	0.935556	0.008889
[130,140[	135	0	0	0.935556	0
[140,150[	145	20	0.022222	0.957778	0.002222
[150,160[	155	1	0.001111	0.958889	0.000111
[160,170[	165	20	0.022222	0.981111	0.002222
[170,180[	175	0	0	0.981111	0
[180,190[	185	0	0	0.981111	0
[190,200[	195	0	0	0.981111	0
[200,210[	205	16	0.017778	0.998889	0.001778
[210,220[	215	0	0	0.998889	0
[220,230[	225	0	0	0.998889	0
[230,240[	235	0	0	0.998889	0
[240,250[	245	0	0	0.998889	0
[250,260]	255	1	0.001111	1	0.000111