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Updated weekly · Last refresh Sep 25

YouTube Quantitative Analyst Interview Questions

The questions to prepare for a YouTube Quantitative Analyst interview. Questions from real interview reports rank first. Updated daily.

14questions
~2htotal time
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1
MetricsStart here. 5 questions · ~40 min
Investigate User Engagement DeclineMedium

Investigate a 15% engagement decline by decomposing the metric, isolating root causes, and proposing actions.

RetentionDiagnosisEngagement MetricsYouTube
Creator LTV for Content StrategyMedium

Evaluates ability to model value drivers and connect metrics to content strategy at YouTube.

LTVYouTube
Value of Video CategoriesMedium

Tests your ability to define and quantify category value for YouTube.

YouTube
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2
Statistics & Probability3 questions · ~24 min
A/B Testing at ScaleMedium

Assesses experimental design and statistical reasoning for product decisions using YouTube-style metrics.

ExperimentationA/B TestingYouTube
Statistical Significance TestingMedium

Tests your ability to perform and justify statistical significance decisions.

Data AnalysisStatistical SignificanceYouTube
Experiment for UI Feature ImpactHard

Evaluates your experimental design for measuring retention impact on YouTube.

experiment designuser retentionA/B TestingYouTube
3
Behavioral & Leadership4 questions · ~32 min
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4
More topics2 questions · ~16 min
Market Entry Analysis with SQLMedium

Tests data modeling and quantitative analysis skills for market entry decisions using SQL and business metrics.

market analysissqlYouTube
Regression for Watch TimeMedium

Assesses your modeling judgment for predicting watch time on YouTube.

Model EvaluationYouTube

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Creator Ticket Trend SQLMedium
Practice
Practice drill

Compare weekly YouTube creator support ticket volumes and return the three largest regional increases.

Date FunctionsJoinsRankingYouTube
DAU by Video CategoriesMedium
Practice
Practice drill

Identify YouTube daily active users who watched at least three distinct video categories yesterday.

Date FunctionsGroup BysqlYouTube
Top Segments by Retention RateMedium
Practice
Practice drill

Rank the top five user segments by 30-day retention rate using user, segment, and activity data.

Window FunctionsDate FunctionsJoinsYouTube
The finish line: interview-readyComplete all 14 questions plus 3 hands-on drills to finish this plan.