Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[40,50[	45	25	0.069444	0.069444	0.006944
[50,60[	55	40	0.111111	0.180556	0.011111
[60,70[	65	53	0.147222	0.327778	0.014722
[70,80[	75	93	0.258333	0.586111	0.025833
[80,90[	85	83	0.230556	0.816667	0.023056
[90,100[	95	33	0.091667	0.908333	0.009167
[100,110[	105	17	0.047222	0.955556	0.004722
[110,120[	115	8	0.022222	0.977778	0.002222
[120,130[	125	3	0.008333	0.986111	0.000833
[130,140[	135	1	0.002778	0.988889	0.000278
[140,150[	145	1	0.002778	0.991667	0.000278
[150,160[	155	1	0.002778	0.994444	0.000278
[160,170[	165	0	0	0.994444	0
[170,180]	175	2	0.005556	1	0.000556