They had voted 2 - 1 for Bush in 2004 . They picked Obama as the winner of the debate by a 38 % to 27 % margin . This group also showed : A look at the underlying numbers shows that Obama made important gains that could endure through Election Day .

Q with options: Give answer the following question using evidence from the above passage: What does the group study ?
a). None of the above choices . b). Elections and politics . c). Math and economics . d). Bushes and other plants .
b).