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Updated weekly · Last refresh Oct 17

ETS Data Analyst Interview Questions

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

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1
SQL & Data ManipulationStart here. 4 questions + 1 drill · ~47 min
Handle Nulls in Test ScoresEasy

Tests data cleaning decisions for reliable ETS assessment analytics.

data cleaningnull handlingETS
Rolling 30-Day Average QueryMedium
Practice

Calculate Beyond Finance daily sign-ups and their 30-day rolling average using CTEs and window functions.

sql queryETS
Find Duplicate RegistrationsMedium
Practice

Identify repeated test-taker registrations by matching test-taker, test, and registration date.

data accuracyGroup BysqlETS
Join Types for Test SchedulingEasy

Tests understanding of join semantics for combining ETS scheduling and test center data.

sql basicsjoin typesETS
Detect Duplicate Customer RecordsMedium
Practice
Practice drill

Identify duplicate customer records within each Pattern ecommerce partner using normalized email addresses.

deduplicationdata cleaningdata accuracyPattern
2
Behavioral & Leadership13 questions · ~120 min
Redirecting a Low-Value Report RequestMedium

Tests stakeholder management and influence when redirecting a reporting request toward metrics that better support the business goal.

Decision MakingStakeholder ManagementBusiness AcumenETS
Validating Analysis With Incomplete DataMedium

Tests ownership and judgment under ambiguity when analyzing incomplete data and ensuring conclusions are still decision-ready.

Decision Makingdata cleaningvalidationETS
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3
More topics2 questions · ~19 min
Investigate Registration Rate DropMedium

Tests structured metrics analysis and root-cause thinking using ETS registration data.

Conversion RateDiagnosisETS
Monitor Online Proctoring EfficiencyHard

Tests ability to define KPIs, instrumentation, and reporting for ETS online proctoring operations.

monitoringoperational metricsefficiencyETS

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