GIC Data Scientist Interview Questions
The questions to prepare for a GIC Data Scientist interview. Questions from real interview reports rank first. Updated weekly.
Identify major online experiment pitfalls and explain how they can bias results in a streaming product A/B test.
GICA framework for deciding which features should ship first when building a new product.
GICExplain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.
GICOutline the first checks to diagnose a sudden drop in a core product metric, starting with data quality, scope, and decomposition.
GICApproach for improving a model's accuracy by checking errors, features, and tuning choices.
GICTests SQL window function fluency for grouped analytics.
GICTests performance engineering skills for data pipelines and modeling workflows.
GICTests hypothesis testing and correct interpretation of statistical significance.
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Use GROUP BY and SUM to rank the top 10 customers by total revenue from a single sales table.
Housecall Pro
Equifax
XYZUse LAG to compare an operational KPI week over week and surface absolute and percentage change.
GIC
Uber Freight
CorsairCalculate daily session-level funnel conversion rates using CTEs, CASE WHEN, and date functions.