Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[-1,-0.5[	-0.75	27	0.257143	0.257143	0.514286
[-0.5,0[	-0.25	0	0	0.257143	0
[0,0.5[	0.25	33	0.314286	0.571429	0.628571
[0.5,1[	0.75	0	0	0.571429	0
[1,1.5[	1.25	10	0.095238	0.666667	0.190476
[1.5,2[	1.75	0	0	0.666667	0
[2,2.5[	2.25	10	0.095238	0.761905	0.190476
[2.5,3[	2.75	0	0	0.761905	0
[3,3.5[	3.25	13	0.12381	0.885714	0.247619
[3.5,4]	3.75	12	0.114286	1	0.228571