Dataford
Top 36
Prep plan
Updated weekly · Last refresh Aug 30

CGI Data Analyst Interview Questions

The questions to prepare for a CGI Data Analyst interview. Questions from real interview reports rank first. Updated weekly.

36questions
~5htotal time
Track your progressSign up free to work through all 36 questions and resume where you left off.
Start practicing free →
1
SQL & Data ManipulationStart here. 6 questions + 2 drills · ~70 min
Top Customers by Sales RevenueEasy
Practice

Use GROUP BY and SUM to rank the top 10 customers by total revenue from a single sales table.

RankingGroup ByAggregationsCGI
Python Visualization for Large DataMedium

Tests ability to build performant visualizations that remain interpretable at scale.

ToolsData WranglingAggregationsCGI
Top 5 Products Per MonthMedium
Practice
Practice drill

Rank completed product sales by month using joins, aggregation, date truncation, and ROW_NUMBER().

sqlCGICgi NederlandCGI Group
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
More SQL & Data Manipulation questions with a free account
2
Metrics5 questions · ~42 min
Diagnose a Metric Drop After LaunchMedium

Investigate why a key KPI moved the wrong way after a product change and separate signal from noise.

Lagging IndicatorsLeading IndicatorsDiagnosisCGI
Choosing the Right VisualizationEasy

Tests your ability to match chart types to message, audience, and decision needs.

KPILeading IndicatorsDiagnosisCGI
More Metrics questions with a free account
3
Statistics & Probability3 questions · ~25 min
Statistical Method in PracticeMedium

Tests ability to apply and explain statistical methods used in real analyses.

Confidence IntervalsRegressionHypothesis TestingCGI
More Statistics & Probability questions with a free account
4
Behavioral & Leadership18 questions · ~150 min
More Behavioral & Leadership questions with a free account
5
More topics4 questions · ~33 min
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityCGI
Improving Business Process EfficiencyMedium

Tests data-driven problem framing and translating analysis into process improvements.

User NeedsValue PropositionUse CasesCGI
Structuring an A/B TestHard

Tests ability to design rigorous A/B tests with clear hypotheses, metrics, and controls.

MDEGuardrail MetricsA/B TestingCGI
More questions with a free account

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
The finish line: interview-readyComplete all 36 questions plus 2 hands-on drills to finish this plan.