Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[-10,-8[	-9	1	0.013889	0.013889	0.006944
[-8,-6[	-7	0	0	0.013889	0
[-6,-4[	-5	0	0	0.013889	0
[-4,-2[	-3	8	0.111111	0.125	0.055556
[-2,0[	-1	11	0.152778	0.277778	0.076389
[0,2[	1	10	0.138889	0.416667	0.069444
[2,4[	3	14	0.194444	0.611111	0.097222
[4,6[	5	8	0.111111	0.722222	0.055556
[6,8[	7	11	0.152778	0.875	0.076389
[8,10[	9	5	0.069444	0.944444	0.034722
[10,12[	11	1	0.013889	0.958333	0.006944
[12,14]	13	3	0.041667	1	0.020833