CGI Data Scientist Interview Questions
The questions to prepare for a CGI Data Scientist interview. Questions from real interview reports rank first. Updated weekly.
Explain what CTEs are and their advantages in SQL queries.
CGIUse GROUP BY and SUM to rank the top 10 customers by total revenue from a single sales table.
Housecall Pro
Equifax
XYZRank completed product sales by month using joins, aggregation, date truncation, and ROW_NUMBER().
CGI
Cgi Nederland
CGI GroupUse a CTE, LEFT JOIN, and ROW_NUMBER to find each user's first Chime feature touch after signup.
Asana
ChimeSign up to see every question
Create a free account to unlock this list and practice real interview questions.
Tests ability to communicate statistical concepts clearly and accurately to non-technical stakeholders.
CGIExplain how a primary metric differs from a guardrail metric and how both are used in A/B test decisions.
CGIDefine a success metric for a new feature that captures real user value, not just raw usage.
CGIDiagnose a post-release KPI drop by separating instrumentation issues from real behavior changes and tracing the problem through the metric hierarchy.
CGIExplain when to use precision, recall, F1, or ROC-AUC for a classification model.
CGITests performance tuning, vectorization, and scalable data handling in Python for large datasets.
CGI