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StatisticsCoding

4 years ago

Given a function roll() that uniformly returns a double between 0 and 1 and a array/list of numbers of length N (no duplicates), create a function shuffle() that returns a permutation of equal probability

Data Scientist

NerdWallet

Udacity

Klarna

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4 years ago

Behavioral

4 years ago

Tell me a piece of difficult feedback you received and how you handled it?

Data ScientistFull Stack Software EngineerFrontend EngineerProgram Manager

NerdWallet

Bol.com

Staples

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4 years ago

ML Knowledge

4 years ago

In your opinion, what is the most crucial aspect of detecting an anomaly in a system or data set?

Data Scientist

NerdWallet

Teradata

ASML

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4 years ago

Statistics

4 years ago

What are some common variables that can influence the outcomes of a split population test?

Data Scientist

NerdWallet

Dollar Shave Club

Rivian

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4 years ago

Coding

4 years ago

How would you approach writing a method to count the elements of a sorted list with -1 as an out-of-range marker, without built-in methods?

Data Scientist

NerdWallet

Springboard

Faire

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4 years ago

Behavioral

4 years ago

Please share your most innovative idea.

Data ScientistML Engineering ManagerData Science ManagerData Engineering Manager

NerdWallet

SPS Commerce

Grover

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4 years ago

Statistics

4 years ago

How can the Wilk-Shapiro measure be used to determine if a dataset follows a normal distribution?

Data Scientist

NerdWallet

Coursera

Nutanix

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4 years ago

Behavioral

4 years ago

In order to build trust with a team, how do you get started?

Data ScientistData Engineering ManagerEngineering ManagerUX Designer

NerdWallet

Western Digital

FleetSmith

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4 years ago

ML Knowledge

4 years ago

Could you describe some of the machine learning architectures that you've worked with thus far in your career?

Data Scientist

NerdWallet

Huawei

Affirm

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4 years ago

ML Knowledge

4 years ago

Are you familiar with the technique of cross-validation, which allows you to assess the effectiveness of a machine learning model?

Data Scientist

NerdWallet

Walmart

Ancestry

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4 years ago

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

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