Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[450,500[	475	2	0.018519	0.018519	0.00037
[500,550[	525	12	0.111111	0.12963	0.002222
[550,600[	575	53	0.490741	0.62037	0.009815
[600,650[	625	27	0.25	0.87037	0.005
[650,700[	675	12	0.111111	0.981481	0.002222
[700,750]	725	2	0.018519	1	0.00037