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Statistics
3 years ago
What are the steps involved in generating a fair coin out of a biased one?
Data Scientist

TikTok

ServiceNow

Oracle

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3 years ago
Behavioral
3 years ago
How would you describe yourself and why do you think that you should be hired by TikTok?
Data Scientist

TikTok

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3 years ago
Behavioral
4 years ago
What was your experience one time when you were asked to help a colleague in an area out of your sphere of responsibility?
Data ScientistTechnical Program ManagerSoftware EngineerProduct Manager

TikTok

DeviantArt Logo

DeviantArt

Lenskart Logo

Lenskart

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4 years ago
Behavioral
4 years ago
Did you ever make a decision that did not go as planned? What did you learn from this experience?
Data ScientistData Science ManagerEngineering ManagerUX Designer

TikTok

Trackmaven Logo

Trackmaven

Okta Logo

Okta

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4 years ago
Behavioral
4 years ago
Do you have an example of when you disagreed with another team member's approach?
Data ScientistUX ResearcherEngineering ManagerUX Designer

TikTok

MakeMyTrip Logo

MakeMyTrip

NerdWallet Logo

NerdWallet

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4 years ago
Statistics
4 years ago
If you have a margin of error of 3 with a sample size of n, how many more samples do you need to collect to reduce the margin of error to 0.3?
Data Scientist

TikTok

Palo Alto Networks Logo

Palo Alto Networks

Novartis Logo

Novartis

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4 years ago
Product Case
4 years ago
What strategies or tools would you utilize to quantify the collective actions of all users over a specific time frame?
Data Scientist

TikTok

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4 years ago
ML Knowledge
4 years ago
In what ways do the K-means algorithm and the Expectation-Maximization (EM) algorithm differ?
Data Scientist

TikTok

Chewy Logo

Chewy

Wayfair Logo

Wayfair

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

TikTok

PagerDuty Logo

PagerDuty

ChannelAdvisor Logo

ChannelAdvisor

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4 years ago
Behavioral
4 years ago
What are you looking for in your next role at TikTok?
Data Scientist

TikTok

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4 years ago

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

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