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Statistics
4 years ago
With 4 red balls and 2 blue balls in a container, what are the odds of drawing a red ball first, followed by a blue ball, or a blue ball first, followed by a red ball?
Data Scientist

Wayfair

Anaplan

HelloFresh

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4 years ago
Coding
4 years ago
Could you walk us through your method for identifying the subsequence with the maximum sum in an array?
Data Scientist

Wayfair

Course Hero

Deloitte

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4 years ago
Behavioral
4 years ago
What are you looking for in your next role at Wayfair?
Data Scientist

Wayfair

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4 years ago
Behavioral
4 years ago
Explain one of the processes you learned/developed during your previous job, which you believe will prove valuable in your future position with Wayfair
Data Scientist

Wayfair

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4 years ago
SQL
4 years ago
What's the significance of using nested SELECT and WITH in SQL, and how do they operate?
Data Scientist

Wayfair

GoDaddy Logo

GoDaddy

Eventbrite Logo

Eventbrite

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4 years ago
Behavioral
4 years ago
A person shows up late to a scheduled weekly meeting every week. How would you handle this?
Data ScientistProduct ManagerBackend EngineerTechnical Program Manager

Wayfair

MPL Logo

MPL

Commvault Logo

Commvault

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4 years ago
Behavioral
4 years ago
What are some of your main goals from the Data Scientist role at Wayfair?
Data Scientist

Wayfair

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4 years ago
ML Knowledge
4 years ago
What are the advantages and disadvantages of decision trees when compared to other classification algorithms?
Data Scientist

Wayfair

Robinhood Logo

Robinhood

Audible Logo

Audible

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4 years ago
ML CaseML Knowledge
4 years ago
Is relying on R-square values alone for linear regression analysis advisable? Is a low R-square value a definitive sign of poor fit in a linear regression model?
Data Scientist

Wayfair

Bloomberg Logo

Bloomberg

HubSpot Logo

HubSpot

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4 years ago
SQL
4 years ago
Tell me how you would determine the top 5 highest-grossing products from a list of previous order data?
Data Scientist

Wayfair

Rippling Logo

Rippling

GitLab Logo

GitLab

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4 years ago

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

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