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ML KnowledgeStatistics
a year ago
Explain false positives and false negatives in statistical hypothesis testing, and indicate why it's critical to understand them.
Data Scientist

Roku

Headspace

Yahoo

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a year ago
Behavioral
a year ago
Tell me about a time when you helped show the ropes to someone junior to you.
Data ScientistiOS EngineerBackend EngineerProduct Manager

Roku

Okta Logo

Okta

Mitto Logo

Mitto

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a year ago
Behavioral
a year ago
Why are you looking for a job at the moment?
Data ScientistData Science ManagerEngineering ManagerUX Designer

Roku

Samsung Logo

Samsung

Bolt Logo

Bolt

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a year ago
SQL
a year ago
Suppose there is a table named messages with columns id, sender_id, receiver_id, and message. What is the approach you would take to determine the set of distinct communicators?
Data Scientist

Roku

Yandex Logo

Yandex

Deloitte Logo

Deloitte

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a year ago
ML KnowledgeStatistics
a year ago
What are the essential elements of Naive Bayes and how do you decide on the classification threshold?
Data Scientist

Roku

American Express Logo

American Express

WorldRemit Logo

WorldRemit

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a year ago
ML Knowledge
a year ago
What's your approach to choosing the right number of clusters in K-means, and how do you ensure the optimal balance between extremes?
Data Scientist

Roku

Grammarly Logo

Grammarly

Ola Logo

Ola

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a year ago
Behavioral
a year ago
Tell me about a time when you led a team.
Data ScientistProgram ManagerFrontend EngineerSite Reliability Engineer

Roku

Zoho Logo

Zoho

Ironclad Logo

Ironclad

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a year ago
Behavioral
a year ago
What methods do you use to earn your team's trust?
Data ScientistEngineering ManagerUX DesignerUX Researcher

Roku

Gupshup Logo

Gupshup

RentoMojo Logo

RentoMojo

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a year ago
Statistics
a year ago
The family has two kids, and you know that one of them is a boy. What is the likelihood that the other child is also a boy?
Data Scientist

Roku

Yext Logo

Yext

Electronic Arts Logo

Electronic Arts

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a year ago
Behavioral
a year ago
I'd like to know more about a community you are passionate about. If you could contribute, what would you do?
Data ScientistProduct ManagerBackend EngineerTechnical Program Manager

Roku

eBay Logo

eBay

GlobalBees Logo

GlobalBees

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a year ago

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