Ummmm...they like puzzles?
Anime is correlated to doing good in olympiad???

Correlation doesn't necessarily improve causation. For example, perhaps it's because they are Asian (not trying to stereotype here)

Correlation doesn't necessarily improve causation. For example, perhaps it's because they are Asian (not trying to stereotype here)
you mean imply?
Many people from America who do good in Math Olympiad actually watch anime. (I watched Hikaru No Go 3 times) What about in other countries, what hobbies do people do good in Math Olympiads have in common? I guess in China it would be um... I don't really know, actually.