Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[-5,-4[	-4.5	2	0.021978	0.021978	0.021978
[-4,-3[	-3.5	5	0.054945	0.076923	0.054945
[-3,-2[	-2.5	9	0.098901	0.175824	0.098901
[-2,-1[	-1.5	10	0.10989	0.285714	0.10989
[-1,0[	-0.5	16	0.175824	0.461538	0.175824
[0,1[	0.5	20	0.21978	0.681319	0.21978
[1,2[	1.5	14	0.153846	0.835165	0.153846
[2,3[	2.5	10	0.10989	0.945055	0.10989
[3,4[	3.5	4	0.043956	0.989011	0.043956
[4,5]	4.5	1	0.010989	1	0.010989