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ReliaQuest Interview Questions

The questions to prepare for ReliaQuest interviews, across all roles. Questions from real interview reports rank first. Updated weekly.

50questions
~7htotal time
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1
MetricsStart here. 5 questions · ~41 min
Design Success Metrics FrameworkMedium

Define a practical framework for judging design success using leading, lagging, and funnel-based product metrics.

KPIsConversion RateEngagement MetricsReliaQuest
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2
Execution5 questions · ~41 min
Handle Budget Overruns Mid-ProjectEasy

Explain how you would respond when a project starts running over budget while still protecting delivery outcomes.

Trade-offsRisk AssessmentScope ManagementReliaQuest
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3
Statistics & Probability4 questions · ~32 min
Evaluating Observed Lift SignificanceMedium

Explain how to test whether an observed experiment lift is real using hypothesis testing, p-values, and confidence intervals.

Confidence IntervalsStatistical SignificanceP-ValuesReliaQuest
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4
SQL & Data Manipulation5 questions + 3 drills · ~71 min
Validating Data Before ReportingEasy

Explain how to validate SQL data before reporting, including null checks, duplicates, outliers, and aggregation reconciliation.

JoinsData WranglingQualityReliaQuest
Detect Anomalous Daily Device PingsHard
Practice
Practice drill

Use window functions to flag device ping spikes, drops, and missing-day gaps in daily telemetry.

Window FunctionsDate FunctionsData WranglingAthelas
Monthly User Engagement Trend AnalysisMedium
Practice
Practice drill

Use CTEs, joins, and monthly aggregation to measure cohort activity trends and classify engagement over time.

Window FunctionsDate FunctionsData Wrangling
7-Day Rolling Active UsersMedium
Practice
Practice drill

Compute daily active users and a 7-day rolling average using a CTE, distinct counts, and window functions.

Window FunctionsDate FunctionsRunning TotalsMetaSpotifyMeta IT
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5
Product Sense4 questions · ~32 min
Design Analytics Dashboard for Nontechnical UsersMedium

Design an analytics dashboard that helps nontechnical users understand performance and take action without getting lost in complexity.

User SegmentsUser Needsuser-centric designReliaQuest
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6
Strategy4 questions · ~32 min
Tell Me About YourselfEasy

Tests your ability to deliver a clear, relevant introduction tailored to the role at Aqr.

Competitive AnalysisGo-to-MarketReliaQuest
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7
More topics23 questions · ~187 min
Pitfalls in Streaming Experiment AnalysisHard

Identify major online experiment pitfalls and explain how they can bias results in a streaming product A/B test.

Network InterferenceNovelty EffectSample Ratio MismatchReliaQuest
Handling Severe Class ImbalanceMedium

Explain how to train and evaluate a classifier when the positive class is rare and accuracy is misleading.

ExperimentationFeature EngineeringSupervised LearningReliaQuest
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