C5i Data Scientist Interview Questions
The questions to prepare for a C5i Data Scientist interview. Questions from real interview reports rank first. Updated daily.
Use joins, monthly aggregation, and ROW_NUMBER to identify Domo's top three products by revenue each month.
C5iFind the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.
eClinicalWorksNNeenOpal Canada
InformaticaFind the second highest salary in each department without using aggregate functions.
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Devoteam
Cisco Restaurant + BarDesign an experiment for a multiplayer feature where user-level randomization may fail because treatment spills over through player interactions.
C5iDesign a checkout A/B test and compute the sample size needed to detect a 2% relative lift in purchase conversion within 14 days.
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Define one primary feature metric and a set of guardrails that capture user value without missing broader product risk.
C5iBuild a supervised model from a dataset, from feature prep through validation and deployment choices.
C5iExplain how statistical significance and confidence intervals are interpreted in a product experiment.
C5iEvaluates your knowledge of appropriate evaluation metrics for different ML tasks.
C5iTests your product analytics thinking and decision-making based on data.
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