i,x,sigma
1,-1.3942,1.1831
2,-0.9737,0.8844
3,-0.8373,0.8103
4,-0.7367,0.7628
5,-0.6908,0.7432
6,-0.2796,0.6235
7,-0.2431,0.6177
8,-0.2367,0.6168
9,-0.2175,0.6142
10,-0.1756,0.6093
11,-0.1682,0.6085
12,-0.1062,0.6034
13,0.1078,0.6035
14,0.1216,0.6044
15,0.2127,0.6136
16,0.2496,0.6187
17,0.3046,0.6278
18,0.4577,0.6628
19,0.5583,0.6935
20,0.651,0.7271
21,0.7123,0.7522
22,0.7126,0.7523
23,0.7832,0.784
24,0.9147,0.851
25,0.9582,0.8754
26,1.2264,1.0512
27,1.381,1.1721
28,1.5008,1.2757
29,1.6841,1.4509
30,1.9919,1.7903