Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[100,150[	125	37	0.308333	0.308333	0.006167
[150,200[	175	29	0.241667	0.55	0.004833
[200,250[	225	12	0.1	0.65	0.002
[250,300[	275	15	0.125	0.775	0.0025
[300,350[	325	24	0.2	0.975	0.004
[350,400]	375	3	0.025	1	5e-04