Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[400,500[	450	1	0.013889	0.013889	0.000139
[500,600[	550	5	0.069444	0.083333	0.000694
[600,700[	650	12	0.166667	0.25	0.001667
[700,800[	750	17	0.236111	0.486111	0.002361
[800,900[	850	14	0.194444	0.680556	0.001944
[900,1000[	950	9	0.125	0.805556	0.00125
[1000,1100[	1050	9	0.125	0.930556	0.00125
[1100,1200]	1150	5	0.069444	1	0.000694