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Updated weekly · Last refresh Oct 17

TikTok Product Growth Analyst Interview Questions

The questions to prepare for a TikTok Product Growth Analyst interview. Questions from real interview reports rank first. Updated daily.

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~3htotal time
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1
Statistics & ProbabilityStart here. 3 questions · ~26 min
2
A/B Testing & Experimentation3 questions · ~26 min
Measure Long-Term Retention LiftHard

Design an experiment to tell whether a new feature improves true retention, not just short-term usage.

ExperimentationCausal InferenceGuardrail MetricsTikTok
Diagnose Sample Ratio MismatchHard

Investigate sample ratio mismatch and decide whether an experiment readout is trustworthy enough to ship.

Guardrail MetricsSample Ratio MismatchA/B TestingTikTok
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3
Metrics3 questions + 1 drill · ~36 min
Investigate User Engagement DeclineMedium
Recently asked

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

RetentionDiagnosisEngagement MetricsTikTok
Compute DAU Rate by MarketMedium
Practice
Recently asked
Practice drill

Calculate daily TikTok DAU and the percentage of eligible market users active each day.

MetricsDate FunctionsJoinsTikTok
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4
Behavioral & Leadership5 questions · ~44 min
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5
More topics6 questions · ~53 min
Calculate 30-Day User RetentionHard
Practice

Use CTEs, joins, and date filtering to calculate 30-day retention by signup cohort from login and feature usage data.

Window FunctionsDate FunctionsAggregationsTikTok
Prioritize Features for a New ProductMedium

A framework for deciding which features should ship first when building a new product.

Feature PrioritizationUser Needsproduct developmentTikTok
Channel Mix OptimizationMedium

Tests strategy for improving acquisition quality through channel allocation.

channel mixGrowth StrategyoptimizationTikTok
Structure Retention Cohort AnalysisMedium

Explain how to structure a cohort retention query using cohort assignment, period offsets, and aggregation in PostgreSQL.

Date FunctionsCTEsGroup ByTikTok
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Hands-on SQL practiceWrite and run real queries in the editor. 1 drill · ~10 min
The finish line: interview-readyComplete all 20 questions plus 2 hands-on drills to finish this plan.