Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[0,50[	25	6	0.05	0.05	0.001
[50,100[	75	9	0.075	0.125	0.0015
[100,150[	125	13	0.108333	0.233333	0.002167
[150,200[	175	13	0.108333	0.341667	0.002167
[200,250[	225	10	0.083333	0.425	0.001667
[250,300[	275	9	0.075	0.5	0.0015
[300,350[	325	16	0.133333	0.633333	0.002667
[350,400[	375	41	0.341667	0.975	0.006833
[400,450]	425	3	0.025	1	5e-04