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Behavioral

3 years ago

I want to know about a time you were proven wrong

Data ScientistEngineering ManagerUX DesignerUX Researcher

Duolingo

nCino

Grab

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3 years ago

ML Knowledge

3 years ago

How do you perceive the importance of feature selection in the world of machine learning?

Data Scientist

Duolingo

Swiggy

Noon

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3 years ago

Statistics

3 years ago

If you had a chance to guess a randomly selected card from a deck, what's your probability of getting it right? And if you could ask if it's red or a face card to better your odds, which question would you pose?

Data Scientist

Duolingo

McAfee

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3 years ago

Statistics

3 years ago

Let's say a family has two kids; you know that one of them is a boy. What is the probability that the other child is also a boy?

Data Scientist

Duolingo

Yext

Electronic Arts

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3 years ago

Behavioral

3 years ago

Tell me a piece of difficult feedback you received and how you handled it?

Data ScientistFull Stack Software EngineerFrontend EngineerProgram Manager

Duolingo

Bol.com

Staples

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3 years ago

Behavioral

3 years ago

What would you do differently to improve Duolingo?

Data Scientist

Duolingo

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3 years ago

Coding

3 years ago

What is your technique for identifying any overlapping ancestors between two people when examining separate genealogy charts?

Data Scientist

Duolingo

Onfido

Palo Alto Networks

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3 years ago

ML Knowledge

4 years ago

What do you know about Decision Trees? What are the tradeoffs involved in using these?

Data Scientist

Duolingo

Robinhood

Audible

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4 years ago

Behavioral

4 years ago

In your opinion, what are the key skills that make you a good candidate?

Data ScientistData Science ManagerEngineering ManagerUX Designer

Duolingo

JP Morgan

ServiceNow

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4 years ago

Coding

4 years ago

Given a tree, write a function to return the sum of the max-sum path which goes through the root node.

Data Scientist

Duolingo

Noom

Airbnb

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4 years ago

Try Free AI Interview

Duolingo

Data Scientist

Prepare for Statistics interview at Duolingo

Statistics

Duolingo

Data Scientist

Prepare for Metrics and Experimentation interview at Duolingo

Metrics and Experimentation

Duolingo

Data Scientist

Prepare for ML / Modeling interview at Duolingo

ML / Modeling

Duolingo

Data Scientist

Prepare for Problem Solving interview at Duolingo

Problem Solving

Duolingo

Data Scientist

Prepare for SQL interview at Duolingo

SQL

Duolingo

Data Scientist

Prepare for Resume Review interview at Duolingo

Resume Review

Duolingo

Data Scientist

Prepare for Behavioral interview at Duolingo

Behavioral

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