Top 34
Prep plan
Updated weekly · Last refresh Aug 30

Blue Nile Business Analyst Interview Questions

The questions to prepare for a Blue Nile Business Analyst interview. Questions from real interview reports rank first. Updated weekly.

34questions
~5htotal time
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1
SQL & Data ManipulationStart here. 5 questions + 1 drill · ~54 min
Top Product Revenue Last 30 DaysMedium
Practice

Use joins, a CTE, and aggregation to rank the top 5 products by non-returned revenue in the last 30 days.

Date FunctionsJoinsAggregationsBlue Nile
SQL Month-Over-Month RetentionMedium
Practice

Calculate monthly active-user retention for Unity Ads using CTEs, joins, date truncation, and conditional aggregation.

Window FunctionsRetentiontransactionsBlue Nile
Top Daily Rides by VehicleMedium
Practice
Practice drill

Rank the top 3 completed rides per vehicle per day using joins, a CTE, and ROW_NUMBER.

Window FunctionsJoinsData WranglingWaymo
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2
Metrics7 questions · ~61 min
Diagnose Product Sales DeclineMedium

Break down a product sales decline into traffic, conversion, pricing, mix, and channel drivers to identify the root cause.

Funnel AnalysisKPIsDiagnosisBlue Nile
Build a Marketing KPI DashboardMedium

Design a dashboard that connects campaign activity, funnel conversion, and acquisition efficiency to business outcomes.

North Star MetricKPIsLeading IndicatorsBlue Nile
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3
Strategy4 questions · ~35 min
International Wedding Market ViewMedium

Evaluates your market reasoning and ability to adapt analysis to a new geography.

market analysissales strategyBlue Nile
Competitive Analysis for Blue NileMedium

Assesses your strategy skills for benchmarking competitors and identifying actionable opportunities.

Competitive AnalysisMoatsSWOTBlue Nile
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4
Behavioral & Leadership16 questions · ~139 min
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5
More topics2 questions · ~17 min
Turn Feedback Into New FeaturesMedium

Approach for turning user feedback into a well-scoped feature, with clear prioritization, MVP definition, and success metrics.

User ResearchFeature PrioritizationUser NeedsBlue Nile
Launch Now vs DelayMedium

Evaluates prioritization and decision-making under uncertainty using data and risk tradeoffs.

Trade-offsRoadmappingRisk AssessmentBlue Nile
The finish line: interview-readyComplete all 34 questions plus 1 hands-on drill to finish this plan.