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SQL
2 years ago
Imagine a messages table in SQL with fields id, sender_id, receiver_id, and message. What is the method you would use to determine the set of unique communicators?
Data Scientist

YouTube

Yandex

Deloitte

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2 years ago
Behavioral
2 years ago
In your opinion, what are your top three personal qualities that help you succeed? How do those traits align with YouTube's values?
Data Scientist

YouTube

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2 years ago
Behavioral
2 years ago
Describe an aspect of your role you learned at your former job that you feel will be beneficial to your future role at YouTube
Data Scientist

YouTube

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2 years ago
Behavioral
2 years ago
What are the skills which make you a good candidate?
Data ScientistData Science ManagerEngineering ManagerUX Designer

YouTube

JP Morgan Logo

JP Morgan

ServiceNow Logo

ServiceNow

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2 years ago
ML Knowledge
2 years ago
Are you well-versed in XGBoosting and the various hyperparameters that can be fine-tuned for optimal performance?
Data Scientist

YouTube

PayPal Logo

PayPal

Zoom Logo

Zoom

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2 years ago
Statistics
2 years ago
If two predictors are highly correlated, what is the effect on the coefficients in the logistic regression? What are the confidence intervals of the coefficients?
Data Scientist

YouTube

Zomato Logo

Zomato

Palo Alto Networks Logo

Palo Alto Networks

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2 years ago
Behavioral
2 years ago
Tell us about a time when you made a big mistake at work.
Data ScientistData Engineering ManagerUX ResearcherEngineering Manager

YouTube

Box Logo

Box

Amdocs Logo

Amdocs

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2 years ago
Behavioral
2 years ago
Is there a particular reason you are applying to YouTube?
Data Scientist

YouTube

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2 years ago
Coding
2 years ago
Write a python function to apply a markdown rate to certain song streams.
Data Scientist

YouTube

ZocDoc Logo

ZocDoc

Avito Logo

Avito

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2 years ago
ML Knowledge
2 years ago
Explain to us, in layman's terms, what LSTM is and why it is widely used in the field of deep learning. Have you applied this model in any of your projects before?
Data Scientist

YouTube

Lyft Logo

Lyft

Brex Logo

Brex

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2 years ago

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

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