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alexeygrigorev/data-science-interviews has 10,229 GitHub stars and 2,161 forks. GitHot measured +2 stars in 24 hours. Last checked 2026-11-08 23:18 UTC. Last push 2026-09-26.

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Data science interview questions and answers

Measured star growth

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+2
in 7 days
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in 15 days
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in 1 month
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Net star changes over overlapping periods, not daily totals. Missing measurements are left blank. Stars measure attention, not software quality.

README.md

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Photo by Waseem Farooq from PxHere

Data Science Interviews

Data science interview questions - with answers

The answers are given by the community

  • If you know how to answer a question — please create a PR with the answer
  • If there's already an answer, but you can improve it — please create a PR with improvement suggestion
  • If you see a mistake — please create a PR with a fix

For updates, follow me on Twitter (@Al_Grigor) and on LinkedIn (agrigorev)

Do you want to talk about data? Join DataTalks.Club

Questions by category

  • Theoretical questions: theory.md (linear models, trees, neural networks and others)
  • Technical questions: technical.md (SQL, Python, coding)
  • More to come

Contributed questions

The contrib folder contains contributed interview questions:

Other useful things

  • Awesome data science interview questions and other resources: awesome.md

This is a joint effort of many people. You can see the list of contributors here: contributors.md

License

This work is licensed under a Creative Commons Attribution 4.0 International License.

CC BY 4.0

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