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Behavioral

2 years ago

Give us an example of a big mistake you made at work.

Data ScientistData Engineering ManagerUX ResearcherEngineering Manager

EPAM Systems

Box

Amdocs

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2 years ago

Coding

2 years ago

Can you demonstrate how to create a normal distribution of 1000 data points with a mean of x and variance of y in R, perform a statistical summary, and plot the density? Follow this by executing the same in Python using the Codility platform.

Data Scientist

EPAM Systems

Deliveroo

Quora

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2 years ago

ML Knowledge

2 years ago

How do you perceive the role of bootstrapping in statistical sampling, and is it beneficial for increasing sample sizes?

Data ScientistMachine Learning Engineer

EPAM Systems

Atlassian

Dell

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2 years ago

Statistics

2 years ago

Can you detail the process to calculate the chance of rightly guessing a randomly drawn card from a deck?

Data Scientist

EPAM Systems

Deliveroo

Riot Games

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2 years ago

Behavioral

2 years ago

Can you share an experience where you led a group of people

Data ScientistBackend EngineerProduct ManagerTechnical Program Manager

EPAM Systems

Workiva

Udacity

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2 years ago

ML Knowledge

2 years ago

What is the fundamental difference between the k-means clustering approach and k-nearest neighbors?

Data Scientist

EPAM Systems

Mozilla

Palantir Technologies

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2 years ago

Statistics

2 years ago

How would you explain a P-value to someone without a technical background?

Data Scientist

EPAM Systems

Illumina

BetterUp

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2 years ago

SQL

2 years ago

How do nested SELECT statements and WITH clauses function in SQL queries?

Data Scientist

EPAM Systems

GoDaddy

Eventbrite

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2 years ago

Coding

2 years ago

Could you create a code for a text wrapper that adheres to a given character limit without cutting words in half?

Data Scientist

EPAM Systems

Intuit

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2 years ago

Behavioral

2 years ago

Why are you looking for a job at the moment?

Data ScientistData Science ManagerEngineering ManagerUX Designer

EPAM Systems

Samsung

Bolt

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2 years ago

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

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