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Coding
2 years ago
Could you architect a Python class that functions as an iterator for sequences?
Data Scientist

Amazon Web Services

DoorDash

Rovio

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2 years ago
ML Knowledge
2 years ago
How does information theory serve in the comparison of language models? Provide an instance of how you might apply this in practice.
Data Scientist

Amazon Web Services

Glovo Logo

Glovo

Walmart Logo

Walmart

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2 years ago
SQL
3 years ago
Describe the structure of a database that could efficiently store information about songs, artists, and albums.
Data Scientist

Amazon Web Services

Discord Logo

Discord

DigitalOcean Logo

DigitalOcean

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3 years ago
Coding
3 years ago
What method do you use to identify and extract every instance of an English word from a given string of characters?
Data Scientist

Amazon Web Services

Twitter Logo

Twitter

Flexport Logo

Flexport

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3 years ago
Statistics
3 years ago
How would you demystify the concept of P-value for a team member who isn't tech-savvy?
Data Scientist

Amazon Web Services

Illumina Logo

Illumina

BetterUp Logo

BetterUp

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3 years ago
Data Visualization
3 years ago
Could you elaborate on what makes a data visualization meaningful and valuable?
Data Scientist

Amazon Web Services

Ola Logo

Ola

Discord Logo

Discord

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3 years ago
Statistics
3 years ago
How would you determine the probability of consecutive heads when flipping a coin?
Data Scientist

Amazon Web Services

Waymo Logo

Waymo

Peloton Logo

Peloton

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3 years ago
ML Knowledge
3 years ago
What is the importance of the ROC curve in the context of machine learning?
Data Scientist

Amazon Web Services

Bosch Logo

Bosch

Slack Logo

Slack

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3 years ago
ML Knowledge
3 years ago
Can you discuss the role of regularization in the context of machine learning?
Data Scientist

Amazon Web Services

Mailchimp Logo

Mailchimp

Yandex Logo

Yandex

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3 years ago
Statistics
3 years ago
Can you walk me through the process of conducting an A/B test to compare the effectiveness of two product campaigns, with a goal of detecting a 3% improvement in performance?
Data Scientist

Amazon Web Services

Bill.com Logo

Bill.com

DeliveryHero Logo

DeliveryHero

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3 years ago

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

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