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Statistics
a year ago
Can you walk me through the process you use to choose the perfect statistical test for a problem?
Data Scientist

DeliveryHero

Envoy

SeatGeek

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a year ago
Metrics and ExperimentationStatistics
a year ago
When it comes to running an A/B test, what factors do you consider when determining the sample size needed for the test, and how do you decide whether the test results warrant implementing changes?
Data Scientist

DeliveryHero

EPAM Systems

Ola

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a year ago
Statistics
a year ago
How would you explain power to a person with no technical background?
Data Scientist

DeliveryHero

Tableau Logo

Tableau

Deliveroo Logo

Deliveroo

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a year ago
Behavioral
a year ago
Can you share a time when you were forced to change your working style.
Data ScientistData Science ManagerML Engineering ManagerData Engineering Manager

DeliveryHero

Hulu Logo

Hulu

Asana Logo

Asana

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a year ago
Coding
a year ago
Can you present a script to ascertain the longest palindromic sequence in a string?
Data ScientistMachine Learning Engineer

DeliveryHero

Postmates Logo

Postmates

Shutterstock Logo

Shutterstock

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a year ago
ML Knowledge
a year ago
Kindly explain the gradient boost concept and its functioning in machine learning.
Data Scientist

DeliveryHero

Hitachi Logo

Hitachi

Grubhub Logo

Grubhub

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a year ago
Behavioral
a year ago
What is your most significant accomplishment? Why?
Data ScientistProgram ManagerFrontend EngineerFull Stack Software Engineer

DeliveryHero

Cognizant Logo

Cognizant

Babylon Health Logo

Babylon Health

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a year ago
ML Knowledge
a year ago
How would you outline the backpropagation algorithm in the context of neural networks?
Data Scientist

DeliveryHero

Quantcast Logo

Quantcast

Citrix Logo

Citrix

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a year ago
Statistics
a year ago
What is your interpretation of the difference between the frequentist and Bayesian methods for probability. Additionally, what standards would you use when selecting between the two in a particular situation?
Data Scientist

DeliveryHero

Noom Logo

Noom

Bloomberg Logo

Bloomberg

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a year ago
Behavioral
a year ago
Share an experience of leading a team.
Data ScientistProgram ManagerFrontend EngineerSite Reliability Engineer

DeliveryHero

Zoho Logo

Zoho

Ironclad Logo

Ironclad

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a year ago

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

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