Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[0,5[	2.5	4	0.210526	0.210526	0.042105
[5,10[	7.5	4	0.210526	0.421053	0.042105
[10,15[	12.5	3	0.157895	0.578947	0.031579
[15,20[	17.5	2	0.105263	0.684211	0.021053
[20,25[	22.5	3	0.157895	0.842105	0.031579
[25,30[	27.5	0	0	0.842105	0
[30,35[	32.5	2	0.105263	0.947368	0.021053
[35,40[	37.5	0	0	0.947368	0
[40,45]	42.5	1	0.052632	1	0.010526