Data Analyst Interview Questions

Review this list of 121 Data Analyst interview questions and answers verified by hiring managers and candidates.

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How would you approach evaluating the performance of a specific business unit?
Data Analyst
Data Analysis
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Data Analyst
Data Analysis
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How would you estimate the total addressable market (TAM) for a new product?
Data Analyst
Data Analysis
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Data Analyst
Data Analysis
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Tell me about a time when your analysis influenced a business decision.
Data Analyst
Data Analysis
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Data Analyst
Data Analysis
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How would you analyze why user engagement is declining?
Data Analyst
Data Analysis
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Data Analyst
Data Analysis
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Have you ever made a decision based on bad data? What did you learn?
Data Analyst
Data Analysis
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Data Analyst
Data Analysis
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A newly launched mobile app has a 25% drop-off during sign-up. How would you investigate the issue?
Data Analyst
Data Analysis
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Data Analyst
Data Analysis
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Asked at Airbus • 6 months ago
Given a feature data record (FDR), how would you detect anomalies in it?
Data Analyst
Data Analysis
1 answer I was asked this
"Implementing the anomaly Machine learning using some algorithm like Isolation Forest algorithm DBscan algorithm and local data point find algorithm."
Suhas P. - "Implementing the anomaly Machine learning using some algorithm like Isolation Forest algorithm DBscan algorithm and local data point find algorithm."See full answer
Data Analyst
Data Analysis
Suppose adoption is high, but retention is low—how would you diagnose and communicate the issue?
Data Analyst
Data Analysis
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Data Analyst
Data Analysis
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You’re told engagement is flat even though new users are increasing—what questions would you ask and what data would you look at?
Data Analyst
Data Analysis
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Data Analyst
Data Analysis
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How would you segment users for a new e-commerce platform?
Data Analyst
Data Analysis
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Data Analyst
Data Analysis
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Describe how you’ve used data to identify underperforming business units.
Data Analyst
Data Analysis
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Data Analyst
Data Analysis
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Estimate the TAM for electric scooters in San Francisco.
Data Analyst
Data Analysis
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Data Analyst
Data Analysis
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What’s the most complex SQL query you’ve written? Walk me through what it did, the key concepts involved, and the types of joins you used.
Data Analyst
SQL
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Data Analyst
SQL
How do you present insights to non-technical stakeholders?
Data Analyst
Data Analysis
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Data Analyst
Data Analysis
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What KPIs would you track to measure company health?
Data Analyst
Data Analysis
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Data Analyst
Data Analysis
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How would you test the impact of expanding into a new international market?
Data Analyst
Data Analysis
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Data Analyst
Data Analysis
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How would you size the opportunity for launching a grocery delivery service in a new city?
Data Analyst
Data Analysis
+2 more
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Data Analyst
Data Analysis
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How do you ensure your data recommendations are actionable and aligned with business goals?
Data Analyst
Data Analysis
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Data Analyst
Data Analysis
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How would you use cohorts to identify retention issues?
Data Analyst
Data Analysis
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Data Analyst
Data Analysis
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What KPIs would you track to evaluate the health of a subscription-based business?
Data Analyst
Data Analysis
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Data Analyst
Data Analysis
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Data Analyst Interview Questions

How would you approach evaluating the performance of a specific business unit?

How would you estimate the total addressable market (TAM) for a new product?

Tell me about a time when your analysis influenced a business decision.

How would you analyze why user engagement is declining?

Have you ever made a decision based on bad data? What did you learn?

A newly launched mobile app has a 25% drop-off during sign-up. How would you investigate the issue?

Given a feature data record (FDR), how would you detect anomalies in it?

Suppose adoption is high, but retention is low—how would you diagnose and communicate the issue?

You’re told engagement is flat even though new users are increasing—what questions would you ask and what data would you look at?

How would you segment users for a new e-commerce platform?

Describe how you’ve used data to identify underperforming business units.

Estimate the TAM for electric scooters in San Francisco.

What’s the most complex SQL query you’ve written? Walk me through what it did, the key concepts involved, and the types of joins you used.

How do you present insights to non-technical stakeholders?

What KPIs would you track to measure company health?

How would you test the impact of expanding into a new international market?

How would you size the opportunity for launching a grocery delivery service in a new city?

How do you ensure your data recommendations are actionable and aligned with business goals?

How would you use cohorts to identify retention issues?

What KPIs would you track to evaluate the health of a subscription-based business?

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