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Prep plan
Updated weekly · Last refresh Oct 17

Dow Jones Data Analyst Interview Questions

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

20questions
~3htotal time
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1
MetricsStart here. 4 questions · ~34 min
Investigate User Engagement DeclineMedium

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

RetentionDiagnosisEngagement MetricsDow Jones
Trend Identification in Sales DataMedium

Tests analytical approach to time-based patterns, segmentation, and interpretation.

Leading IndicatorsDiagnosisTime SeriesDow Jones
Success Metrics for Data InitiativesMedium

Tests ability to define measurable outcomes for Dow Jones business and product decisions.

KPIsLeading IndicatorsDiagnosisDow Jones
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2
SQL & Data Manipulation3 questions + 2 drills · ~46 min
SQL Top Five CustomersEasy
Practice

Find Farallon Capital Management's top five customers by aggregated sales volume using filtering, GROUP BY, ORDER BY, and LIMIT.

RankingGroup ByAggregationsDow Jones
SQL Joins ConceptEasy

Tests foundational SQL knowledge for combining data across tables.

SubqueriesJoinsData WranglingDow Jones
Handling Missing DataEasy
Practice
Practice drill

Replace missing sales fields with defined defaults and return a consistently ordered dataset.

missing valuesdata cleaningnull handlingUniversity of MinnesotaThe Home DepotNationwide
SQL Pre vs Post Launch ComparisonMedium
Practice
Practice drill

Compare monthly pre- and post-launch engagement for Dow Jones products using date grouping and window-based phase comparisons.

Window FunctionsLag/LeadDate FunctionsDow Jones
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3
Behavioral & Leadership10 questions · ~86 min
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4
More topics3 questions · ~26 min
Prioritize Marketing Strategy DataMedium

Framework for deciding which data matters most when shaping a marketing strategy.

Feature PrioritizationUser NeedsProduct VisionDow Jones
Data Cleaning in ETL PipelinesEasy

Approach for cleaning and preparing raw data inside an ETL pipeline.

Data WranglingETLQualityDow Jones
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityDow Jones

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