Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[150,200[	175	7	0.068627	0.068627	0.001373
[200,250[	225	20	0.196078	0.264706	0.003922
[250,300[	275	13	0.127451	0.392157	0.002549
[300,350[	325	21	0.205882	0.598039	0.004118
[350,400[	375	13	0.127451	0.72549	0.002549
[400,450[	425	13	0.127451	0.852941	0.002549
[450,500[	475	8	0.078431	0.931373	0.001569
[500,550[	525	4	0.039216	0.970588	0.000784
[550,600[	575	1	0.009804	0.980392	0.000196
[600,650]	625	2	0.019608	1	0.000392