You need to improve it more. Level 2 scout can't predict LA5+ player levels, it only works on LA3 or 4 players, same with PR levels, it only detect low PR levels properly.
Even when scout is maxed, skill points aren't 100% acurate (there's a +1 -1 error in some skills) but CA/LA/PR levels will be more presice and ranges will also be reduced.