Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[400,500[	450	2	0.018519	0.018519	0.000185
[500,600[	550	20	0.185185	0.203704	0.001852
[600,700[	650	29	0.268519	0.472222	0.002685
[700,800[	750	36	0.333333	0.805556	0.003333
[800,900[	850	12	0.111111	0.916667	0.001111
[900,1000[	950	3	0.027778	0.944444	0.000278
[1000,1100[	1050	2	0.018519	0.962963	0.000185
[1100,1200[	1150	3	0.027778	0.990741	0.000278
[1200,1300]	1250	1	0.009259	1	9.3e-05