Reddit Data Scientist Interview Questions
The questions to prepare for a Reddit Data Scientist interview. Questions from real interview reports rank first. Updated daily.
Compute median post scores per active Reddit community using a CTE, join, filtering, and percentile_cont.
RedditDefine success metrics and an experiment plan for video autoplay on the Reddit home feed.
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Design a feed-ranking A/B test with explicit power, guardrails, and a mitigation plan for peeking, SRM, novelty, and network interference.
RedditExplain statistical significance in experiments and how p-values and confidence intervals guide interpretation.
RedditInvestigate why a key KPI moved the wrong way after a product change and separate signal from noise.
RedditSummarize ML coursework and connect supervised learning, model selection, training, and evaluation to a practical implementation.
RedditTests basic algorithmic thinking and Python coding for a fundamental statistic.
RedditTests NLP preprocessing and frequency extraction from user text similar to Reddit content.
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