ING Hubs Spain Data Scientist Interview Questions
The questions to prepare for a ING Hubs Spain Data Scientist interview. Questions from real interview reports rank first. Updated daily.
Calculate each active RpmGlobal Enterprise Planning user's 30-day rolling average of daily activity.
Explain how to handle NULLs, skewed values, and outliers when preparing an analysis dataset using SQL.
Find the top 5 Impact Analytics customers by total sales using filtering, GROUP BY, SUM, ORDER BY, and LIMIT.
PwC India
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Impact AnalyticsOptimize a billion-row AWS query by reducing scanned data, pre-aggregating requests, and preserving daily performance metrics.
Amazon Web ServicesDesign an A/B test for a new platform feature, including success metrics, power, guardrails, and a clear ship decision.
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Define a success metric for a new feature that captures real user value, not just raw usage.
Tests your understanding of when linear modeling assumptions and representations do not fit the data.
Evaluates your understanding of statistical paradigms for decision-making in A/B tests.
Explain common machine learning evaluation metrics and when each is useful.
Outline the first checks to diagnose a sudden drop in a core product metric, starting with data quality, scope, and decomposition.