Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[-15,-10[	-12.5	7	0.058824	0.058824	0.011765
[-10,-5[	-7.5	3	0.02521	0.084034	0.005042
[-5,0[	-2.5	6	0.05042	0.134454	0.010084
[0,5[	2.5	42	0.352941	0.487395	0.070588
[5,10[	7.5	46	0.386555	0.87395	0.077311
[10,15[	12.5	11	0.092437	0.966387	0.018487
[15,20[	17.5	3	0.02521	0.991597	0.005042
[20,25]	22.5	1	0.008403	1	0.001681