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SQL

2 years ago

If I were to choose between subqueries and joins, which one do you think would be quicker to execute?

Data Scientist

Etsy

trivago

eToro

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2 years ago

Statistics

2 years ago

Explain the process of determining the number of certain steps in a Markov chain walk.,

Data Scientist

Etsy

Meta

Slack

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2 years ago

Coding

2 years ago

Can you sketch out a high-level overview of how to approach the two sum problem using a hash table and maintain a O(n) time complexity?

Data Scientist

Etsy

Spotify

Teradata

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2 years ago

Statistics

2 years ago

How do you define a median and what approach would you take to calculate it for a dataset that's too large for memory?

Data Scientist

Etsy

Spotify

Marqeta

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2 years ago

Behavioral

2 years ago

What is your most significant achievement?

Data ScientistProgram ManagerFrontend EngineerFull Stack Software Engineer

Etsy

Cognizant

Babylon Health

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2 years ago

ML Knowledge

2 years ago

What is the fundamental difference between the k-means clustering approach and k-nearest neighbors?

Data Scientist

Etsy

Mozilla

Palantir Technologies

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2 years ago

Behavioral

2 years ago

Tell me about a time where you were unpopular thanks to a decision you imposed on your team

Data ScientistSoftware EngineerTechnical Program ManagerBackend Engineer

Etsy

Deliveroo

Pendo

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2 years ago

BehavioralTechnical

2 years ago

What did you learn from a craft conference you attended recently?

Data ScientistData Engineering ManagerUX DesignerEngineering Manager

Etsy

LendingClub

Bill.com

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2 years ago

StatisticsML Knowledge

2 years ago

Define false positive and false negative in statistical hypothesis testing, and explain their significance?

Data Scientist

Etsy

Headspace

Yahoo

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2 years ago

Behavioral

2 years ago

Can you tell me about how you see your career developing over the next five years? How does Etsy fit into this plan?

Data Scientist

Etsy

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2 years ago

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^*All interview questions are submitted by recent Etsy Data Scientist candidates, labelled and categorized by Prepfully, and then published after being verified by Data Scientists at Etsy.

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