Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[0,5[	2.5	73	0.45625	0.45625	0.09125
[5,10[	7.5	28	0.175	0.63125	0.035
[10,15[	12.5	34	0.2125	0.84375	0.0425
[15,20[	17.5	17	0.10625	0.95	0.02125
[20,25[	22.5	7	0.04375	0.99375	0.00875
[25,30]	27.5	1	0.00625	1	0.00125