Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[5,10[	7.5	3	0.025	0.025	0.005
[10,15[	12.5	8	0.066667	0.091667	0.013333
[15,20[	17.5	15	0.125	0.216667	0.025
[20,25[	22.5	16	0.133333	0.35	0.026667
[25,30[	27.5	13	0.108333	0.458333	0.021667
[30,35[	32.5	10	0.083333	0.541667	0.016667
[35,40[	37.5	10	0.083333	0.625	0.016667
[40,45[	42.5	13	0.108333	0.733333	0.021667
[45,50[	47.5	5	0.041667	0.775	0.008333
[50,55[	52.5	6	0.05	0.825	0.01
[55,60[	57.5	5	0.041667	0.866667	0.008333
[60,65[	62.5	3	0.025	0.891667	0.005
[65,70[	67.5	8	0.066667	0.958333	0.013333
[70,75[	72.5	3	0.025	0.983333	0.005
[75,80[	77.5	0	0	0.983333	0
[80,85[	82.5	0	0	0.983333	0
[85,90]	87.5	2	0.016667	1	0.003333