Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[50,100[	75	3	0.05	0.05	0.001
[100,150[	125	13	0.216667	0.266667	0.004333
[150,200[	175	11	0.183333	0.45	0.003667
[200,250[	225	18	0.3	0.75	0.006
[250,300[	275	14	0.233333	0.983333	0.004667
[300,350]	325	1	0.016667	1	0.000333