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Data Scientist Interviews

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Data Scientist Interview Questions

In a data scientist interview, expect employers to ask questions that assess your data modeling, problem-solving, and programming skills. Be prepared to answer general questions that test your knowledge of statistics and data science. You should also be ready to answer open-ended questions that test your creativity, communication skills, and formal education in data modeling and programming.

Top Data Scientist Interview Questions & How to Answer

Question 1

Question #1: Which data modeling techniques do you prefer and why?

How to answer
How to answer: Turning data into understandable and actionable information is a critical part of the data scientist's job. This question allows employers to understand your data modeling skills and background. List and discuss your preferred data modeling techniques, including benefits such as ease of use, flexibility, etc.
Question 2

Question #2: How would you detect bogus Instagram accounts used for scamming consumers?

How to answer
How to answer: Questions like this one allow an employer to test your problem-solving skills. When answering open-ended questions such as these, feel free to ask clarifying questions and use whiteboards to demonstrate your coding and diagramming skills. Share your thought process as you work through the problem.
Question 3

Question #3: Describe circumstances that require a list, tuple, or set in Python.

How to answer
How to answer: Interviewers will use questions such as this one to test your Python programming skills. Review Python basics such as lists, tuples, and sets before your interview. You should be able to explain when and how each tool is used by data scientists.

54,261 data scientist interview questions shared by candidates

1-Programming: Given data on Facebook members friending/defriending each other on Facebook, find out whether a given pair of members are currently friends. 2- Statistics: Very basic questions on treatment effects under various sampling schemes. 3-Research Design Question: How would you test whether having more friends now increases the probability that a Facebook member is still an active user after 6 months?
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Data Scientist Intern

Interviewed at Meta

3.5★
Mar 20, 2016

1-Programming: Given data on Facebook members friending/defriending each other on Facebook, find out whether a given pair of members are currently friends. 2- Statistics: Very basic questions on treatment effects under various sampling schemes. 3-Research Design Question: How would you test whether having more friends now increases the probability that a Facebook member is still an active user after 6 months?

Leadership Principle Questions: -Tell me a time when you had to take a decision in a short time. -Tell me a time when you disagreed with your manager. -Tell me a time when you gave a simple solution to a complex problem
avatar

Research Scientist

Interviewed at Amazon

3.5★
May 27, 2020

Leadership Principle Questions: -Tell me a time when you had to take a decision in a short time. -Tell me a time when you disagreed with your manager. -Tell me a time when you gave a simple solution to a complex problem

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