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SQL

7 months ago

Please explain the differences between left join, right join, and union operations in database querying.,

Data Scientist

DeliveryHero

Benchling

Illumina

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7 months ago

ML Knowledge

7 months ago

Could you explain how the K-means and Expectation-Maximization (EM) algorithm differ in their approaches?

Data Scientist

DeliveryHero

Chewy

Wayfair

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7 months ago

Data Visualization

7 months ago

What characterizes a data visualization that can be regarded as useful and insightful?

Data Scientist

DeliveryHero

Ola

Discord

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7 months ago

Coding

7 months ago

Can you describe your strategy for identifying the maximum sum subsequence within a number array?

Data Scientist

DeliveryHero

Course Hero

Deloitte

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7 months ago

Behavioral

7 months ago

What do you think are some of the key success indicators for someone working in the Data Scientist role?

Data Scientist

DeliveryHero

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7 months ago

ML Knowledge

7 months ago

Taking into account a binary variable and a continuous variable, how would you calculate their correlation?

Data Scientist

DeliveryHero

Figma

Groupon

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7 months ago

Analytics Case

7 months ago

What investigative measures would you employ to understand the surge in average ETA? Beyond user-based randomization, what other methods can you employ?

Data Scientist

DeliveryHero

Lyft

Zomato

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7 months ago

Coding

7 months ago

Have you ever implemented a cache in your code? What kind did you use and why?

Data Scientist

DeliveryHero

BuzzFeed

Samsara

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7 months ago

Behavioral

8 months ago

What is one project you are extremely proud of? Why?

Data ScientistTechnical Program ManagerSoftware EngineerProduct Manager

DeliveryHero

Illumina

Articulate

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8 months ago

Behavioral

8 months ago

How do you know DeliveryHero is the right fit for you?

Data Scientist

DeliveryHero

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8 months ago

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

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