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Ernst & Young Quantitative Analyst Interview Questions

The questions to prepare for a Ernst & Young Quantitative Analyst interview. Questions from real interview reports rank first. Updated weekly.

17questions
~2htotal time
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1
Machine LearningStart here. 3 questions · ~24 min
Handling Missing and Noisy DataEasy

Explain a practical approach for handling missing values and noisy observations in a supervised learning dataset.

Cross-ValidationFeature EngineeringSupervised LearningErnst & Young
Python vs C++ Trade-OffsMedium

Evaluates your ability to choose tools based on performance and development constraints.

Trade-offsFinancial ModelingErnst & Young
Mitigating Overfitting RiskMedium

Assesses your use of validation and regularization to improve generalization.

risk mitigationModel EvaluationoverfittingErnst & Young
2
Statistics & Probability4 questions · ~32 min
Negative Correlation in PracticeMedium

Assesses your understanding of correlation and dependence in statistical relationships.

CorrelationstatisticsErnst & Young
Parametric vs Non-Parametric MethodsMedium

Tests conceptual understanding of statistical modeling assumptions and flexibility.

Ernst & Young
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3
Behavioral & Leadership7 questions · ~56 min
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4
More topics3 questions · ~24 min
Hedging Crop Risk ScenarioMedium

Evaluates your ability to apply quantitative risk thinking to a real-world hedging problem.

Ernst & Young
Backtest Performance MetricsMedium

Assesses your quantitative evaluation of strategy quality and risk.

evaluation metricsFinancial AnalysisErnst & Young
Efficient, Maintainable CodeMedium

Assesses software engineering practices for performance and maintainability.

maintainabilitycollaborationErnst & Young
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