Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[200,300[	250	1	0.009259	0.009259	9.3e-05
[300,400[	350	10	0.092593	0.101852	0.000926
[400,500[	450	22	0.203704	0.305556	0.002037
[500,600[	550	34	0.314815	0.62037	0.003148
[600,700[	650	27	0.25	0.87037	0.0025
[700,800[	750	8	0.074074	0.944444	0.000741
[800,900]	850	6	0.055556	1	0.000556