Primer AI Data Scientist Interview Questions
The questions to prepare for a Primer AI Data Scientist interview. Questions from real interview reports rank first. Updated daily.
Calculate three-day rolling user activity averages and classify behavior trends with SQL window functions.
Explain how to ensure data accuracy in SQL workflows using validation checks, reconciliation, and careful query design.
Calculate daily TikTok DAU and the percentage of eligible market users active each day.
TikTokCreate an auditable application dataset by applying explicit PostgreSQL rules for missing candidate, status, salary, and date values.
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athenahealth
HaysExplain how to select, execute, and interpret statistical significance tests for A/B test results.
Determine the sample size needed to detect a meaningful A/B test effect at a chosen significance level and power.
Use a paired McNemar test and confidence interval to determine whether a model's accuracy improvement exceeds evaluation noise.
Define a meaningful engagement metric for a retail analytics mobile application and explain how to validate it.
Build a systematic process to validate, decompose, and explain a sudden 10% drop in core engagement.
Identify the causes of a quarterly engagement decline through metric validation, decomposition, segmentation, and trend analysis.
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