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Updated weekly · Last refresh Oct 17

Yahoo Data Analyst Interview Questions

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

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1
MetricsStart here. 4 questions · ~32 min
Using Dashboards to Read KPIsEasy

Explain how visualization tools help analysts track KPIs, spot patterns, and support decisions.

KPIsData WranglingDiagnosisYahoo
Trends and Anomalies in EngagementMedium

Tests ability to analyze behavioral data and detect meaningful changes and outliers.

DiagnosisTime SeriesEngagement MetricsYahoo
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2
SQL & Data Manipulation4 questions + 3 drills · ~62 min
Handling Missing or Corrupted DataMedium

Tests judgment in data imputation, exclusion, and quality controls to protect analytical integrity.

Data WranglingCTEsQualityYahoo
Cleaning, Filtering, and Aggregating DataEasy

Tests practical data preparation skills to produce reliable metrics and analyses.

Data WranglingGroup ByAggregationsYahoo
Optimize a Slow SQL QueryHard
Practice
Practice drill

Rewrite a slow PostgreSQL loan payment query to reduce scanned rows while preserving the required aggregated results.

database optimizationJoinsData WranglingAmeripriseEEltro Cyberchrome PrivateEnergyHub
Window Functions for Engagement RankingMedium
Practice
Practice drill

Rank users within each country by weighted engagement, including users with no recorded events.

Window FunctionsJoinsRankingYahoo
Join and Aggregate by DayMedium
Practice
Practice drill

Aggregate Yahoo Mail messages and ad clicks by day using joins, CTEs, date extraction, and conditional aggregation.

Date FunctionsJoinsAggregationsYahoo
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3
Behavioral & Leadership6 questions · ~48 min
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4
More topics4 questions · ~32 min
Design Real-Time Operations Dashboard PipelineHard

Design a pipeline for a real-time operational dashboard, covering streaming ingestion, modeling, data quality, and dashboard serving.

InfrastructureStream ProcessingQualityYahoo
Validating Statistical FindingsMedium

Tests ability to choose appropriate statistical techniques and validate results for decision-making.

Confidence IntervalsHypothesis TestingStatistical SignificanceYahoo
Choosing an Analytics DatabaseMedium

Tests understanding of data storage and query needs for analytics workloads.

ToolsData ModelingQualityYahoo
Average Calculation FunctionEasy

Tests basic statistical computation and programming logic for common analytics tasks.

VarianceExpected ValueConditional ProbabilityYahoo

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