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Updated weekly · Last refresh Sep 22

E15 Group Business Analyst Interview Questions

The questions to prepare for a E15 Group Business Analyst interview. Questions from real interview reports rank first. Updated daily.

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1
Behavioral & LeadershipStart here. 10 questions · ~80 min
Owning Ambiguous Analytics PrioritiesMedium

Tests ownership, prioritization under ambiguity, and influence through data when the problem and inputs are not clearly defined.

pattern analysistechnical experiencepythonE15 Group
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2
More topics7 questions · ~56 min
Gather Requirements and Write StoriesEasy

Approach for running requirement gathering and turning stakeholder input into clear, prioritized user stories.

User ResearchUser NeedsUse CasesE15 Group
Adapt to Rapid Project ChangesEasy

Explain how you adapt execution plans when priorities shift quickly without losing stakeholder alignment or delivery momentum.

Trade-offsRoadmappingRisk AssessmentE15 Group
Investigate User Engagement DeclineMedium

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

RetentionDiagnosisEngagement MetricsE15 Group
SQL and Data Tooling ProficiencyEasy

Tests practical SQL and analytics tooling experience and project impact.

ToolsJoinsData WranglingE15 Group
Identifying Trends From a DatasetMedium

Tests exploratory analysis skills and ability to derive meaningful conclusions.

RegressionCorrelationData WranglingE15 Group
Align Product With User NeedsMedium

A framework for connecting user needs to business goals, then making product decisions with clear trade-offs and measurable outcomes.

User NeedsValue PropositionProduct VisionE15 Group
Validating Business RequirementsMedium

Tests your rigor in requirement validation, including stakeholder alignment and evidence-based confirmation.

Success CriteriaRisk AssessmentScope ManagementE15 Group

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Daily Session Funnel Conversion RatesHard
Practice
Practice drill

Calculate daily session-level funnel conversion rates using CTEs, CASE WHEN, and date functions.

User NeedsData WranglingAggregations
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
SQL vs NoSQL DifferencesEasy
Practice
Practice drill

Query a comparison table to present the key structural and operational differences between SQL and NoSQL databases.

nosqlJoinsData WranglingCogitoRamsey SolutionsIInnovaccer
The finish line: interview-readyComplete all 17 questions plus 3 hands-on drills to finish this plan.