Data Analyst Mock Interview

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Practice Real Data Analyst Interview Questions

Technical

Write a SQL query to calculate monthly retention rate

Practice
Technical

How do you handle missing data in a dataset?

Practice
Technical

Explain the difference between INNER JOIN and LEFT JOIN

Practice
Behavioral

How would you explain a complex data finding to a non-technical stakeholder?

Practice
Behavioral

Describe a time you found an insight that changed a business decision

Practice
Technical

What is a p-value and how do you interpret it?

Practice
System-design

Create a dashboard design for tracking sales performance

Practice
Technical

How do you validate the quality of a new dataset?

Practice
Technical

Explain VLOOKUP vs INDEX/MATCH in Excel

Practice
Technical

How would you analyze the cause of a sudden drop in website traffic?

Practice

Key Skills Evaluated

SQL (Advanced)
Excel / Google Sheets
Tableau / Power BI
Python / R (Basic)
Data Cleaning
Statistical Analysis
Business Intelligence
Communication

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