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Data Validation and QA

Medium
SQL & Data ManipulationData WranglingCase WhenAggregations

Problem

Explain how you approach data validation and quality assurance in your analyses.

Practicing as: Business Analyst interview at QVC

Hi, I'll play your QVC interviewer for the Business Analyst role. Candidates describe these interviews as mostly positive and moderately difficult, so expect me to be friendly and conversational. Take your time with the question above and answer like we're in the room.

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