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Coding

3 years ago

How would you construct a binary search function that isolates the largest number in a list of integers?

Data ScientistMachine Learning Engineer

Amazon Web Services

Rubrik

Disney

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3 years ago

SQL

3 years ago

What steps do you take to calculate the rolling average of a particular metric over a given time frame?

Data Scientist

Amazon Web Services

Riot Games

Expedia

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3 years ago

Statistics

3 years ago

What are the key techniques you use to minimize residuals in your statistical models?

Data Scientist

Amazon Web Services

Monzo

Quora

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3 years ago

ML Knowledge

3 years ago

Describe a machine learning model you are familiar with and how it operates.

Data ScientistMachine Learning Engineer

Amazon Web Services

BuzzFeed

Andela

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3 years ago

ML Knowledge

3 years ago

What steps would you take to determine the correlation between a binary variable and a continuous variable?

Data Scientist

Amazon Web Services

Figma

Groupon

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3 years ago

ML Knowledge

3 years ago

Could you elaborate on cross-validation and how it's utilized in the field of machine learning?

Data Scientist

Amazon Web Services

ZocDoc

Binance

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3 years ago

ML Knowledge

3 years ago

When it comes to hyperparameter tuning, there are two popular methods: grid search CV and random search CV. Can you discuss the differences between these two approaches?

Data Scientist

Amazon Web Services

Blind

Autodesk

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3 years ago

Statistics

3 years ago

Considering a grid with each position assigned a real number, what strategy ensures the highest cumulative value when moving from the top-left to the bottom-right corner, restricted to down or right movements?

Data Scientist

Amazon Web Services

Babylon Health

Zoom

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3 years ago

ML Knowledge

3 years ago

Explain ROC curve. What does AUC represent?

Data Scientist

Amazon Web Services

Mailchimp

Microsoft

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3 years ago

Coding

3 years ago

Would you be able to write a function that inputs two arrays and computes the RMSE?

Data ScientistMachine Learning Engineer

Amazon Web Services

Bloomberg

Wise

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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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