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10 months ago

If given a biased coin, how would you create a fair one with equal chances of heads and tails?

Data Scientist

Booking.com

Instagram

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10 months ago

Behavioral

a year ago

I want to hear about a conflict that you managed.

Data ScientistProgram ManagerTechnical Program ManagerFull Stack Software Engineer

Chime

Stoneco

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a year ago

Behavioral

a year ago

What are the steps to earning trust in a team?

Data ScientistData Science ManagerEngineering ManagerUX Designer

Faire

SAP

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a year ago

Analytics Case

a year ago

What would be your response if you saw a 15% decline in the number of notifications being sent?

Data Scientist

Ancestry

ByteDance

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a year ago

Coding

a year ago

Write a function to manipulate a pandas dataframe.

Data Scientist

Qualcomm

Mastercard

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a year ago

Coding

a year ago

How would you utilize a hash table to efficiently solve the two sum problem in O(n) time complexity?

Data Scientist

Credit Karma

Rakuten

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a year ago

Behavioral

a year ago

What do you consider your biggest achievement?

Data ScientistData Engineering ManagerML Engineering ManagerEngineering Manager

Picnic

Marqeta

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a year ago

Behavioral

a year ago

How did you come to find out you needed a new job?

Data ScientistFull Stack Software EngineerFrontend EngineerSite Reliability Engineer

Quikr

Apptio

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a year ago

ML CaseML Knowledge

a year ago

Can you elaborate on the difficulties in managing and optimizing models with several layers?

Data Scientist

Cohesity

Snap

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a year ago

Statistics

a year ago

What are type I & type II errors in hypothesis testing? Which one do you think is worse?

Data Scientist

AppDynamics

BetterUp

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a year ago

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

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