Astemo Americas Data Scientist Interview Questions
The questions to prepare for a Astemo Americas Data Scientist interview. Questions from real interview reports rank first. Updated daily.
Determine the sample size needed to detect a meaningful A/B test effect at a chosen significance level and power.
Identify major online experimentation pitfalls and explain practical mitigations for SRM, network effects, peeking, and novelty.
Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.
Tests whether analysis can influence product or strategy decisions and produce measurable business impact.
Calculate three-day rolling average sales by region using aggregation, joins, and PostgreSQL window functions.
Diagnose a sudden 20% KPI decline by validating measurement, decomposing drivers, and separating real behavior changes from data issues.
Define a success metric for a new feature that captures real user value, not just raw usage.
Explain what statistical significance means and why it matters when interpreting experimental or analytical results.
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Approach a mixed interview round while summarizing completed activity with a CTE, aggregation, and left join.
WiseCalculate a three-day moving average of active-client revenue using aggregation and SQL window functions.