Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[50,100[	75	2	0.02381	0.02381	0.000476
[100,150[	125	12	0.142857	0.166667	0.002857
[150,200[	175	8	0.095238	0.261905	0.001905
[200,250[	225	9	0.107143	0.369048	0.002143
[250,300[	275	12	0.142857	0.511905	0.002857
[300,350[	325	13	0.154762	0.666667	0.003095
[350,400[	375	9	0.107143	0.77381	0.002143
[400,450]	425	19	0.22619	1	0.004524