num_observation,sbibm.c2st
1,0.5001500248908997
2,0.4900999963283539
3,0.49584999680519104
4,0.5035499930381775
5,0.4950000047683716
6,0.5026500225067139
7,0.4905500113964081
8,0.5016499757766724
9,0.49709999561309814
10,0.49779999256134033