Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[5,10[	7.5	5	0.00641	0.00641	0.001282
[10,15[	12.5	36	0.046154	0.052564	0.009231
[15,20[	17.5	99	0.126923	0.179487	0.025385
[20,25[	22.5	257	0.329487	0.508974	0.065897
[25,30[	27.5	266	0.341026	0.85	0.068205
[30,35[	32.5	66	0.084615	0.934615	0.016923
[35,40[	37.5	16	0.020513	0.955128	0.004103
[40,45[	42.5	19	0.024359	0.979487	0.004872
[45,50[	47.5	0	0	0.979487	0
[50,55[	52.5	15	0.019231	0.998718	0.003846
[55,60[	57.5	0	0	0.998718	0
[60,65]	62.5	1	0.001282	1	0.000256