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Metrics and ExperimentationStatistics

7 months ago

In your experience, what factors should be taken into consideration when determining the sample size for an A/B test? And how do you interpret the results to decide whether changes should be made?

Data Scientist

Roblox

EPAM Systems

Ola

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7 months ago

Behavioral

7 months ago

How did you handle a task where you had a deadline and couldn't meet it?

Data ScientistTechnical Program ManagerSoftware EngineerML Engineering Manager

Roblox

Decathlon

NVIDIA

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7 months ago

Statistics

7 months ago

Could you detail how an A/B test would be conducted to assess a 3% hike in product usage?

Data Scientist

Roblox

Productboard

Novartis

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7 months ago

Statistics

7 months ago

What metrics would you use to assess the performance of a Gaussian mixture model on a specific data set, and how would you interpret these metrics to determine if the model is an appropriate choice?

Data Scientist

Roblox

CrowdStrike

Ticketmaster

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7 months ago

Behavioral

8 months ago

I am interested in the learning and development you gained at your previous position, which you feel will be quite valuable at Roblox

Data Scientist

Roblox

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8 months ago

Behavioral

8 months ago

Is this Data Scientist role a good fit for your qualifications?

Data Scientist

Roblox

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8 months ago

Statistics

8 months ago

Describe the characteristics of right and left-skewed distributions and where the mean and median fall in these distributions compared to a normal curve.,

Data Scientist

Roblox

Workday

CrowdStrike

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8 months ago

Behavioral

8 months ago

What did you learn from a recent failure? How has this failure made you a better Data Scientist?

Data Scientist

Roblox

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8 months ago

Behavioral

9 months ago

Please share an experience where you received negative feedback?

Data ScientistEngineering ManagerUX DesignerUX Researcher

Roblox

Sprout Social

NCR

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9 months ago

ML Knowledge

9 months ago

In your experience, what are some of the examples of real-world scenarios where overfitting and underfitting have posed challenges for model performance and accuracy? What are the outcomes?

Data Scientist

Roblox

DigitalOcean

Bill.com

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9 months ago

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

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