Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[100,150[	125	7	0.083333	0.083333	0.001667
[150,200[	175	10	0.119048	0.202381	0.002381
[200,250[	225	8	0.095238	0.297619	0.001905
[250,300[	275	7	0.083333	0.380952	0.001667
[300,350[	325	11	0.130952	0.511905	0.002619
[350,400[	375	21	0.25	0.761905	0.005
[400,450]	425	20	0.238095	1	0.004762