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Hackerrank SQL, Python, Statistics

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SQL & Data ManipulationJoinsData WranglingAggregationsAsked 1 times

Problem

Hackerrank test with common SQL, Python and statistics questions.

Practicing as: Data Scientist interview at Wolverine Trading

Hi, I'll play your Wolverine Trading interviewer for the Data Scientist role. Candidates describe these interviews as mixed and moderately difficult, so expect me to be professional and fair. Take your time with the question above and answer like we're in the room.

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