Weekday Data Analyst Interview Questions
The questions to prepare for a Weekday Data Analyst interview. Questions from real interview reports rank first. Updated daily.
Write a SQL query to find the top 10 users with the highest activity in the last month. Treat activity as the number of activity events during the previou...
Write a query to identify the top three selling product categories for each region in the last fiscal quarter. Assume fiscal quarters align with calendar ...
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Walmart Global TechGiven a table of user transactions and a table of user logins, write a query to identify the top 10% of users by spend who have logged in within the last 3...
GoogleEEraneosGGames2WinBuild a systematic process to validate, decompose, and explain a sudden 10% drop in core engagement.
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Explain why correlated customer behaviors do not by themselves prove a causal effect, and how you would tell the difference.
Design an A/B test for a new platform feature, including success metrics, power, guardrails, and a clear ship decision.
Tests data-driven judgment, intellectual humility, prioritization, and ownership when evidence challenges a product hypothesis.
Tests prioritization under pressure in a data engineering context, including stakeholder management, trade-off decisions, and ownership of outcomes.