Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[-3,-2[	-2.5	1	0.011905	0.011905	0.011905
[-2,-1[	-1.5	5	0.059524	0.071429	0.059524
[-1,0[	-0.5	8	0.095238	0.166667	0.095238
[0,1[	0.5	7	0.083333	0.25	0.083333
[1,2[	1.5	14	0.166667	0.416667	0.166667
[2,3[	2.5	10	0.119048	0.535714	0.119048
[3,4[	3.5	17	0.202381	0.738095	0.202381
[4,5[	4.5	14	0.166667	0.904762	0.166667
[5,6[	5.5	6	0.071429	0.97619	0.071429
[6,7]	6.5	2	0.02381	1	0.02381