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Statistics

a year ago

Suppose there are four floors in a building and four people on an elevator; what is the likelihood that they will all get off on different levels?

Data Scientist

Deloitte

Snap

Rivian

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a year ago

Statistics

a year ago

How might you describe the P-value to a non-technical colleague in an easily comprehensible manner?

Data Scientist

Deloitte

Illumina

BetterUp

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a year ago

SQL

a year ago

Describe how you'd implement the database for a music service that allows users to rate, review, and purchase songs.

Data Scientist

Deloitte

Discord

DigitalOcean

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a year ago

ML Knowledge

a year ago

In decision trees, what's the significance of bias and variance? Furthermore, which one presents a bigger issue - high bias or high variance - and what's the justification for that?

Data Scientist

Deloitte

Elastic

Rivian

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a year ago

Coding

a year ago

How can you use recursion to retrieve the nth number in the Fibonacci sequence?

Data Scientist

Deloitte

EPAM Systems

SwiftKey

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a year ago

Coding

a year ago

Could you implement a function that determines the longest palindrome in a string?

Data ScientistMachine Learning Engineer

Deloitte

Postmates

Shutterstock

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a year ago

SQL

a year ago

Is it true that subqueries tend to be slower in execution than joins?

Data Scientist

Deloitte

trivago

eToro

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a year ago

Coding

a year ago

How can you develop an object class in Python specifically for iterating over sequence types?

Data Scientist

Deloitte

DoorDash

Rovio

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a year ago

ML Knowledge

a year ago

What is the difference between batch normalisation and instance normalisation?

Data ScientistMachine Learning Engineer

Deloitte

eBay

Samsara

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a year ago

ML Knowledge

2 years ago

In the context of XGBoost, what is a DMatrix, and how is it unique from other data structures in gradient boosting algorithms?

Data ScientistMachine Learning Engineer

Deloitte

Viber

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2 years ago

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

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