Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[100,150[	125	7	0.093333	0.093333	0.001867
[150,200[	175	25	0.333333	0.426667	0.006667
[200,250[	225	20	0.266667	0.693333	0.005333
[250,300[	275	15	0.2	0.893333	0.004
[300,350[	325	4	0.053333	0.946667	0.001067
[350,400[	375	2	0.026667	0.973333	0.000533
[400,450]	425	2	0.026667	1	0.000533