Baseball lovers, test your World Series IQ

(AP Photo/Paul Sancya)
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As the Texas Rangers and St. Louis Cardinals square off in the 2011 World Series, take this quiz to gauge your Fall Classic IQ:

1. What determines home-field advantage in the World Series?

Regular-season records


Alternating format between the National and American Leagues


A coin toss


The outcome of the midseason All-Star Game

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