Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[50,100[	75	5	0.041667	0.041667	0.000833
[100,150[	125	12	0.1	0.141667	0.002
[150,200[	175	6	0.05	0.191667	0.001
[200,250[	225	13	0.108333	0.3	0.002167
[250,300[	275	12	0.1	0.4	0.002
[300,350[	325	27	0.225	0.625	0.0045
[350,400]	375	45	0.375	1	0.0075