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Behavioral
3 years ago
In your next position at AT&T, what do you hope to achieve?
Data Scientist
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AT&T

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3 years ago
ML Knowledge
3 years ago
Before applying machine learning algorithms, what are some of the things you have to do in terms of data wrangling and cleaning?
Data Scientist
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AT&T

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thredUP

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Nutanix

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3 years ago
Behavioral
3 years ago
Can you tell me about a time when you disagreed with a team member's approach?
Data ScientistData Engineering ManagerML Engineering ManagerEngineering Manager
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AT&T

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Picnic

ServiceNow Logo

ServiceNow

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3 years ago
SQL
3 years ago
Explain the differences between a right join and an outer join in SQL.
Data Scientist
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AT&T

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Ola

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NetApp

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3 years ago
ML Knowledge
3 years ago
Could you give me some concrete examples of where overfitting and underfitting are problematic in real-world situations? What are the repercussions for the accuracy and performance of models?
Data Scientist
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AT&T

LogMeIn Logo

LogMeIn

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NVIDIA

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3 years ago
ML Knowledge
3 years ago
What is the difference between grid search CV and random search CV?
Data Scientist
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AT&T

Shutterstock Logo

Shutterstock

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Atlassian

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3 years ago
Statistics
3 years ago
What are your thoughts on heteroscedasticity.
Data Scientist
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AT&T

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Quantcast

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Envoy

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3 years ago
Coding
3 years ago
What's your strategy for coding a fair six-sided die roll using a continuous distribution, and how would you test it?
Data ScientistMachine Learning Engineer
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AT&T

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Tableau

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Nubank

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3 years ago
Coding
3 years ago
Can you create a Conway's Game of Life simulator with Python coding?
Data Scientist
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AT&T

GitLab Logo

GitLab

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Intuit

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3 years ago
Coding
3 years ago
How can one create a binary tree with the knowledge of its preorder and inorder traversals?
Data Scientist
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AT&T

Waymo Logo

Waymo

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Virta

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3 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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