Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[15000,20000[	17500	2	0.027778	0.027778	6e-06
[20000,25000[	22500	8	0.111111	0.138889	2.2e-05
[25000,30000[	27500	24	0.333333	0.472222	6.7e-05
[30000,35000[	32500	20	0.277778	0.75	5.6e-05
[35000,40000[	37500	9	0.125	0.875	2.5e-05
[40000,45000[	42500	7	0.097222	0.972222	1.9e-05
[45000,50000]	47500	2	0.027778	1	6e-06