G-Research Data Scientist Interview Questions
The questions to prepare for a G-Research Data Scientist interview. Questions from real interview reports rank first. Updated daily.
Explain how to calculate cumulative totals in SQL using window functions, ordering, and optional pre-aggregation.
Explain how to ensure data accuracy in SQL workflows using validation checks, reconciliation, and careful query design.
Calculate each user's rolling 7-day spending average from linked Garner actions and completed transactions.
Revolut
Garner healthCalculate daily and rolling 7-day sales by product and region using PostgreSQL window functions.
W.W. GraingerCalculate each host's chronological revenue total, resetting at the beginning of every calendar year.
TuroIdentify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.
Assesses your experimentation troubleshooting skills and decision-making under uncertainty.
Explain statistical significance, p-values, uncertainty, and practical importance to a non-technical audience.
Assesses your ability to select suitable distributions based on data characteristics and goals.
Outline the first checks to diagnose a sudden drop in a core product metric, starting with data quality, scope, and decomposition.
Evaluates your metric selection process and ability to align metrics with user impact.
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