Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[-80,-60[	-70	1	0.002688	0.002688	0.000134
[-60,-40[	-50	6	0.016129	0.018817	0.000806
[-40,-20[	-30	62	0.166667	0.185484	0.008333
[-20,0[	-10	115	0.30914	0.494624	0.015457
[0,20[	10	125	0.336022	0.830645	0.016801
[20,40[	30	49	0.13172	0.962366	0.006586
[40,60[	50	10	0.026882	0.989247	0.001344
[60,80[	70	3	0.008065	0.997312	0.000403
[80,100]	90	1	0.002688	1	0.000134