Data Analyst Interview Questions
15 real interview questions for data analyst roles, each with a probe and a framework to shape your answer.
Tell me about an analysis that drove a decision.
What the interviewer is probing
Impact.
Answer framework
Use STAR. Include stakeholders.
How do you ensure data quality?
What the interviewer is probing
Validation.
Answer framework
Checks, tests, documentation.
Describe your SQL proficiency.
What the interviewer is probing
Technical depth.
Answer framework
Joins, window functions, CTEs.
How do you choose a chart type?
What the interviewer is probing
Visualization.
Answer framework
Purpose and audience.
Tell me about a time you found an insight others missed.
What the interviewer is probing
Curiosity.
Answer framework
Investigation and outcome.
What is your experience with ETL?
What the interviewer is probing
Pipelines.
Answer framework
Tools and design.
How do you handle missing or dirty data?
What the interviewer is probing
Cleaning.
Answer framework
Imputation, validation, communication.
Describe a dashboard you built.
What the interviewer is probing
Design and adoption.
Answer framework
Metrics, layout, feedback.
How do you communicate uncertainty?
What the interviewer is probing
Rigor.
Answer framework
Confidence intervals, caveats.
What is your experience with A/B testing?
What the interviewer is probing
Experimentation.
Answer framework
Design and analysis.
How do you prioritize analysis requests?
What the interviewer is probing
Organization.
Answer framework
Impact and urgency.
Tell me about a time you automated a report.
What the interviewer is probing
Efficiency.
Answer framework
Tools and time saved.
How do you stay current with analytics tools?
What the interviewer is probing
Learning.
Answer framework
Courses and communities.
What is the difference between correlation and causation?
What the interviewer is probing
Fundamentals.
Answer framework
Example.
Why this company?
What the interviewer is probing
Motivation.
Answer framework
Connect data and decisions.