Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[80,90[	85	1	0.0125	0.0125	0.00125
[90,100[	95	9	0.1125	0.125	0.01125
[100,110[	105	11	0.1375	0.2625	0.01375
[110,120[	115	22	0.275	0.5375	0.0275
[120,130[	125	13	0.1625	0.7	0.01625
[130,140[	135	7	0.0875	0.7875	0.00875
[140,150[	145	5	0.0625	0.85	0.00625
[150,160[	155	4	0.05	0.9	0.005
[160,170[	165	5	0.0625	0.9625	0.00625
[170,180[	175	3	0.0375	1	0.00375