Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[-2,-1.5[	-1.75	3	0.017857	0.017857	0.035714
[-1.5,-1[	-1.25	9	0.053571	0.071429	0.107143
[-1,-0.5[	-0.75	5	0.029762	0.10119	0.059524
[-0.5,0[	-0.25	6	0.035714	0.136905	0.071429
[0,0.5[	0.25	8	0.047619	0.184524	0.095238
[0.5,1[	0.75	13	0.077381	0.261905	0.154762
[1,1.5[	1.25	20	0.119048	0.380952	0.238095
[1.5,2[	1.75	20	0.119048	0.5	0.238095
[2,2.5[	2.25	15	0.089286	0.589286	0.178571
[2.5,3[	2.75	17	0.10119	0.690476	0.202381
[3,3.5[	3.25	18	0.107143	0.797619	0.214286
[3.5,4[	3.75	12	0.071429	0.869048	0.142857
[4,4.5[	4.25	6	0.035714	0.904762	0.071429
[4.5,5[	4.75	3	0.017857	0.922619	0.035714
[5,5.5[	5.25	0	0	0.922619	0
[5.5,6[	5.75	1	0.005952	0.928571	0.011905
[6,6.5[	6.25	2	0.011905	0.940476	0.02381
[6.5,7[	6.75	1	0.005952	0.946429	0.011905
[7,7.5[	7.25	2	0.011905	0.958333	0.02381
[7.5,8[	7.75	3	0.017857	0.97619	0.035714
[8,8.5[	8.25	1	0.005952	0.982143	0.011905
[8.5,9]	8.75	3	0.017857	1	0.035714