Statistician

[Sarah]

One versed in statistics; one who collects and classifies factsfor statistics.

[Sarah]

statistician |ˌstatiˈstiSHən|
noun
Statistician as a slang word can be positive or negative depending on the situation, or upon the use in a given situation.

An expert in the creation of Facebook statuses, or someone who posts statuses way to frequently and of nothing important.

Someone who verbalizes statistics acting to be a know-it-all, or someone who is actually very knowledgeable.