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ML Knowledge
a year ago
How does acknowledging the assumption of error in linear regression contribute to creating accurate models, and what does it mean?
Data Scientist

eBay

DeliveryHero

Datadog

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a year ago
Behavioral
a year ago
Give us an example of a big mistake you made at work.
Data ScientistData Engineering ManagerUX ResearcherEngineering Manager

eBay

Box

Amdocs

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a year ago
Statistics
a year ago
Write a function in any programming language that extracts N samples from a population with a mean of 0 and standard deviation of 1, and draws the histogram of the data. Can you do that?
Data Scientist

eBay

Peloton Logo

Peloton

Nutanix Logo

Nutanix

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a year ago
ML Knowledge
a year ago
Can you discuss the use of confusion matrix and ROC curve in evaluating a model's performance? How do they differ and when would you use one over the other?
Data ScientistMachine Learning Engineer

eBay

Udacity Logo

Udacity

Splunk Logo

Splunk

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a year ago
Statistics
a year ago
How would you define normal and Poisson distributions, and what distinguishes one from the other?
Data Scientist

eBay

InVision Logo

InVision

Andela Logo

Andela

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a year ago
StatisticsML Knowledge
a year ago
Explain false positives and false negatives in statistical hypothesis testing, and indicate why it's critical to understand them.
Data Scientist

eBay

Headspace Logo

Headspace

Yahoo Logo

Yahoo

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a year ago
Behavioral
a year ago
Share with me a time when you disagreed with a team member.
Data ScientistData Engineering ManagerEngineering ManagerUX Designer

eBay

Dunzo Logo

Dunzo

Adyen Logo

Adyen

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a year ago
ML Knowledge
a year ago
How familiar are you with XGBoosting and its capabilities?
Data Scientist

eBay

PayPal Logo

PayPal

Zoom Logo

Zoom

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a year ago
ML Knowledge
a year ago
How do you utilize an ROC curve in assessing the performance of a binary classifier? How do bagging and boosting influence the outcome of ensemble models differently?
Data ScientistMachine Learning Engineer

eBay

Zillow Logo

Zillow

Wish Logo

Wish

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a year ago
Statistics
a year ago
What steps would you take to produce 1000 normally distributed data points with mean=x and variance=y, and how would you visualize and summarize this data?
Data Scientist

eBay

WeWork Logo

WeWork

Bolt Logo

Bolt

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a year ago

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Ebay

Data Scientist

Prepare for Statistics interview at Ebay

Statistics
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Ebay

Data Scientist

Prepare for Metrics and Experimentation interview at Ebay

Metrics and Experimentation
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Ebay

Data Scientist

Prepare for ML / Modeling interview at Ebay

ML / Modeling
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Ebay

Data Scientist

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Problem Solving
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Ebay

Data Scientist

Prepare for SQL interview at Ebay

SQL
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Ebay

Data Scientist

Prepare for Resume Review interview at Ebay

Resume Review
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Ebay

Data Scientist

Prepare for Behavioral interview at Ebay

Behavioral

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

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