Data Analyst Interview Questions

Review this list of 116 data analyst interview questions and answers verified by hiring managers and candidates.

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How would you size the opportunity for launching a grocery delivery service in a new city?
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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A newly launched mobile app has a 25% drop-off during sign-up. How would you investigate the issue?
Data Analyst
Data Analysis
+2 more
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Data Analyst
Data Analysis
+2 more
Suppose adoption is high, but retention is low—how would you diagnose and communicate the issue?
Data Analyst
Data Analysis
+2 more
Add answer I was asked this
Data Analyst
Data Analysis
+2 more
Walk me through how you'd assess the success of a beta launch.
Data Analyst
Data Analysis
+3 more
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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 explain a sudden drop in revenue to leadership?
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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Add answer I was asked this
Data Analyst
Data Analysis
+2 more
Overstretched Employees
IDE
Hard
Data Analyst
Coding
+1 more
1 answer I was asked this
" debug your code below departments = pd.DataFrame({ 'id': [1, 2, 3, 4, 5], 'name': ['Reporting', 'Engineering', 'Marketing', 'Biz Dev', 'Silly Walks'] }) employees = pd.DataFrame({ 'id': [1, 2, 3, 4, 5, 6], 'first_name': ['John', 'Ava', 'Cailin', 'Mike', 'Ian', 'John'], 'last_name': ['Smith', 'Muffinson', 'Ninson', 'Peterson', 'Peterson', 'Mills'], 'salary': [20000, 10000, 30000, 20000, 80000, 50000], 'department_id': [1, 5, 2, 2, 2, 3] }) projects = p"
Sean L. - " debug your code below departments = pd.DataFrame({ 'id': [1, 2, 3, 4, 5], 'name': ['Reporting', 'Engineering', 'Marketing', 'Biz Dev', 'Silly Walks'] }) employees = pd.DataFrame({ 'id': [1, 2, 3, 4, 5, 6], 'first_name': ['John', 'Ava', 'Cailin', 'Mike', 'Ian', 'John'], 'last_name': ['Smith', 'Muffinson', 'Ninson', 'Peterson', 'Peterson', 'Mills'], 'salary': [20000, 10000, 30000, 20000, 80000, 50000], 'department_id': [1, 5, 2, 2, 2, 3] }) projects = p"See full answer
Data Analyst
Coding
+1 more
How do you determine which metrics are most important for executives to track?
Data Analyst
Data Analysis
+2 more
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Data Analyst
Data Analysis
+2 more
Have you ever made a decision based on bad data? What did you learn?
Data Analyst
Data Analysis
+2 more
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Data Analyst
Data Analysis
+2 more
How do you ensure your data recommendations are actionable and aligned with business goals?
Data Analyst
Data Analysis
+2 more
Add answer I was asked this
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
+2 more
Add answer I was asked this
Data Analyst
Data Analysis
+2 more
How would you measure engagement for a productivity app? What features or behaviors would you track?
Data Analyst
Data Analysis
+4 more
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Data Analyst
Data Analysis
+4 more
How would you use cohorts to identify retention issues?
Data Analyst
Data Analysis
+2 more
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Data Analyst
Data Analysis
+2 more
What KPIs would you track to evaluate the health of a subscription-based business?
Data Analyst
Data Analysis
+2 more
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Data Analyst
Data Analysis
+2 more
Tell me about a time you discovered a trend by drilling into granular data.
Data Analyst
Data Analysis
+2 more
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Data Analyst
Data Analysis
+2 more
Walk me through a dashboard you built. What choices did you make?
Data Analyst
Data Analysis
+2 more
Add answer I was asked this
Data Analyst
Data Analysis
+2 more
What recommendation did you make based on your analysis, and what was the impact?
Data Analyst
Data Analysis
+2 more
Add answer I was asked this
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
+3 more
Add answer I was asked this
Data Analyst
Data Analysis
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Data Analyst Interview Questions

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

Estimate the TAM for electric scooters in San Francisco.

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

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

Walk me through how you'd assess the success of a beta launch.

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

How would you explain a sudden drop in revenue to leadership?

What KPIs would you track to measure company health?

Overstretched Employees

How do you determine which metrics are most important for executives to track?

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

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

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

How would you measure engagement for a productivity app? What features or behaviors would you track?

How would you use cohorts to identify retention issues?

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

Tell me about a time you discovered a trend by drilling into granular data.

Walk me through a dashboard you built. What choices did you make?

What recommendation did you make based on your analysis, and what was the impact?

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

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