Ernst & Young Interview Questions
The questions to prepare for Ernst & Young interviews, across all roles. Questions from real interview reports rank first. Updated weekly.
Calculate the monthly spending trends for customers using window functions and joins.
Ernst & YoungAggregate monthly sales by product category and use LAG to calculate month-over-month changes.
Total Wine & More
Inc.
Benjamin MooreCompute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.
Gain Digital
TCS
Zest AIExplain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.
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Explain how you manage scope changes during development without losing delivery control, stakeholder alignment, or product quality.
Ernst & YoungDesign a dashboard that connects campaign activity, funnel conversion, and acquisition efficiency to business outcomes.
Ernst & YoungDetermine sample size and power for a customer survey or experiment, including MDE, guardrails, and a disciplined decision rule.
Ernst & YoungChoose the right classification metrics, and explain when precision, recall, and F1 score matter most.
Ernst & YoungExplain when to use first-touch, last-touch, or multi-touch attribution based on business goals, funnel structure, and measurement limits.
Ernst & YoungExplain how to test whether an observed 5% conversion rate drop is statistically significant in an experiment or before-after comparison.
Ernst & Young