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ML Knowledge
3 years ago
What are the steps involved in performing PCA?
Data Scientist

AT&T

Stripe

Noom

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3 years ago
Behavioral
3 years ago
What motivated you to change jobs? Why do you believe AT&T is the perfect place for you to advance your career?
Data Scientist

AT&T

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3 years ago
Behavioral
3 years ago
In your opinion, what are your top three personal qualities that help you succeed? How do those traits align with AT&T's values?
Data Scientist

AT&T

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3 years ago
Statistics
3 years ago
Can you figure out the probability of your friend having two boys, given that you know for certain that they have at least one boy?
Data Scientist

AT&T

ASML Logo

ASML

Coursera Logo

Coursera

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3 years ago
Behavioral
3 years ago
Describe a time when you managed a team.
Data ScientistUX ResearcherEngineering ManagerUX Designer

AT&T

PagerDuty Logo

PagerDuty

ChannelAdvisor Logo

ChannelAdvisor

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3 years ago
Statistics
3 years ago
What would be your methodology for conducting an A/B test that can highlight a 3% enhancement in effectiveness when comparing two product campaigns?
Data Scientist

AT&T

Bill.com Logo

Bill.com

DeliveryHero Logo

DeliveryHero

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3 years ago
ML Knowledge
3 years ago
What methodologies do you suggest for assessing the accuracy of a clustering algorithm when the labels are known in advance?
Data Scientist

AT&T

Bolt Logo

Bolt

Coursera Logo

Coursera

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3 years ago
Behavioral
3 years ago
Tell me about an instance when you were proved wrong.
Data ScientistEngineering ManagerUX DesignerUX Researcher

AT&T

nCino Logo

nCino

Grab Logo

Grab

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3 years ago
ML Knowledge
4 years ago
What is the curse of dimensionality in the context of data with many features, and how would you address this issue?
Data Scientist

AT&T

Groupon Logo

Groupon

New Relic Logo

New Relic

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4 years ago
Behavioral
4 years ago
Please describe your biggest professional achievements in your current role.
Data ScientistData Science ManagerEngineering ManagerUX Designer

AT&T

Tableau Logo

Tableau

N26 Logo

N26

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4 years ago

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

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