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Statistics
a year ago
Can you give me an example of how you would structure an A/B test to evaluate the effectiveness of two product campaigns and detect a 3% increase in performance?
Data Scientist

Dell

Bill.com

DeliveryHero

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a year ago
Statistics
a year ago
Given a margin of error of 3 and sample size of n, how many additional samples are required to reach the desired margin of error of 0.3?
Data Scientist

Dell

TikTok Logo

TikTok

Palo Alto Networks Logo

Palo Alto Networks

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a year ago
Behavioral
a year ago
Share a conflict you had to resolve.
Data ScientistTechnical Program ManagerSoftware EngineerProduct Manager

Dell

Jabil Circuit Logo

Jabil Circuit

Zola Logo

Zola

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a year ago
SQL
a year ago
Which is faster, joins or subqueries?
Data Scientist

Dell

trivago Logo

trivago

eToro Logo

eToro

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a year ago
ML Knowledge
a year ago
What do the coefficients in a logistic regression indicate about the relationship between the predictors and the outcome?
Data Scientist

Dell

Chegg Logo

Chegg

BetterUp Logo

BetterUp

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a year ago
Behavioral
a year ago
How would you improve Dell if you were to get the Data Scientist job?
Data Scientist

Dell

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a year ago
SQL
a year ago
What are the benefits and uses of nested SELECTs and WITH clauses in SQL programming?
Data Scientist

Dell

GoDaddy Logo

GoDaddy

Eventbrite Logo

Eventbrite

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a year ago
ML Knowledge
a year ago
What does the concept of error assumption signify in linear regression, and why is it crucial for accurate modeling?
Data Scientist

Dell

DeliveryHero

Datadog Logo

Datadog

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a year ago
ML KnowledgeML Case
a year ago
How do you ensure that a machine learning model is properly transitioned from training to production use?
Data Scientist

Dell

Zendesk Logo

Zendesk

Walmart Logo

Walmart

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a year ago
Behavioral
a year ago
Why are you looking for a new job?
Data ScientistEngineering ManagerUX DesignerUX Researcher

Dell

Sanmina Logo

Sanmina

Dollar Shave Club Logo

Dollar Shave Club

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a year ago

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

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