Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[-20,-18[	-19	2	0.011364	0.011364	0.005682
[-18,-16[	-17	0	0	0.011364	0
[-16,-14[	-15	0	0	0.011364	0
[-14,-12[	-13	0	0	0.011364	0
[-12,-10[	-11	0	0	0.011364	0
[-10,-8[	-9	1	0.005682	0.017045	0.002841
[-8,-6[	-7	0	0	0.017045	0
[-6,-4[	-5	2	0.011364	0.028409	0.005682
[-4,-2[	-3	2	0.011364	0.039773	0.005682
[-2,0[	-1	12	0.068182	0.107955	0.034091
[0,2[	1	155	0.880682	0.988636	0.440341
[2,4[	3	0	0	0.988636	0
[4,6]	5	2	0.011364	1	0.005682