Primer AI Interview Questions
The questions to prepare for Primer AI interviews, across all roles. 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 profile, clean, and standardize missing or dirty data before analysis.
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.
Aircall
athenahealth
HaysIdentify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.
Determine the sample size needed to detect a meaningful A/B test effect at a chosen significance level and power.
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Define a success metric for a new feature that captures real user value, not just raw usage.
Identify the causes of a quarterly engagement decline through metric validation, decomposition, segmentation, and trend analysis.
Use a paired McNemar test and confidence interval to determine whether a model's accuracy improvement exceeds evaluation noise.
Build a systematic process to validate, decompose, and explain a sudden 10% drop in core engagement.