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Prep plan
Updated weekly · Last refresh Aug 30

Eaze Data Scientist Interview Questions

The questions to prepare for a Eaze Data Scientist interview. Questions from real interview reports rank first. Updated weekly.

31questions
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1
SQL & Data ManipulationStart here. 4 questions + 1 drill · ~46 min
SQL Top 10 Products by SalesEasy
Practice

Aggregate completed SMX product sales and return the top 10 products by units sold.

RankingGroup ByAggregationsEaze
Measure Week-Over-Week Metric ChangesMedium
Practice

Use LAG to compare an operational KPI week over week and surface absolute and percentage change.

Window FunctionsLag/LeadDate FunctionsEaze
Analyze Decision Impact by RegionEasy
Practice
Practice drill

Use joins, CASE WHEN, and date filtering to compare outcome rates before and after a decision.

Data WranglingDiagnosisAggregationsHarbourVest Partners
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2
Machine Learning4 questions · ~36 min
Reducing Overfitting in ML ModelsMedium

Explain how to diagnose and reduce overfitting using regularization, cross-validation, and model selection.

Cross-ValidationBias-Variance TradeoffRegularizationEaze
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3
Metrics6 questions · ~54 min
First Checks for Metric DropsEasy

Outline the first checks to diagnose a sudden drop in a core product metric, starting with data quality, scope, and decomposition.

Lagging IndicatorsLeading IndicatorsDiagnosisEaze
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4
A/B Testing & Experimentation3 questions · ~27 min
MDE for Checkout ExperimentMedium

Design a checkout A/B test around MDE selection, power, sample size, guardrails, and a pre-registered ship decision under 14-day traffic limits.

MDEPower AnalysisSample SizeEaze
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5
Behavioral & Leadership9 questions · ~81 min
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6
More topics5 questions · ~45 min
Evaluating Observed Lift SignificanceMedium

Explain how to test whether an observed experiment lift is real using hypothesis testing, p-values, and confidence intervals.

Confidence IntervalsStatistical SignificanceP-ValuesEaze
Optimizing a Data PipelineMedium

Tests performance, reliability, and cost tradeoffs in production data systems.

ETLOrchestrationQualityEaze
Reducing Delivery Times ApproachMedium

Tests product thinking and analytics-driven problem solving for logistics performance.

User NeedsPain PointsProduct VisionEaze
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The finish line: interview-readyComplete all 31 questions plus 1 hands-on drill to finish this plan.