Zynga Data Scientist Interview Questions
The questions to prepare for a Zynga Data Scientist interview. Questions from real interview reports rank first. Updated weekly.
Find the second highest salary in each department without using aggregate functions.
ZyngaExplain SQL window functions and when to use ROW_NUMBER() versus DENSE_RANK() for ranked ticket analysis.
ZyngaRank the top 3 completed rides per vehicle per day using joins, a CTE, and ROW_NUMBER.
WaymoUse ROW_NUMBER() to keep the earliest created_at 'Repl created' per entity and return out-of-order duplicates to delete.
Replit
QuantcastChoose a primary success metric and guardrails for a game experiment, then explain how that choice drives power, analysis, and ship decisions.
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Explain what a p-value means in hypothesis testing and how it relates to statistical significance.
ZyngaDefine a success metric for a new feature that captures real user value, not just raw usage.
ZyngaExplain how to reduce overfitting using regularization, validation, and model selection.
ZyngaChoose the most important launch metrics, balancing early signals, long-term outcomes, and a clear KPI hierarchy.
ZyngaTests your ability to choose appropriate metrics and validation methods for classification models.
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