Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[300,350[	325	2	0.033333	0.033333	0.000667
[350,400[	375	5	0.083333	0.116667	0.001667
[400,450[	425	21	0.35	0.466667	0.007
[450,500[	475	12	0.2	0.666667	0.004
[500,550[	525	12	0.2	0.866667	0.004
[550,600[	575	5	0.083333	0.95	0.001667
[600,650[	625	1	0.016667	0.966667	0.000333
[650,700]	675	2	0.033333	1	0.000667