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Behavioral

6 months ago

Tell me about a time when you made an unpopular decision

Data ScientistSoftware EngineerTechnical Program ManagerBackend Engineer

Rovio

Deliveroo

Pendo

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6 months ago

ML KnowledgeStatistics

6 months ago

How would you describe PCA and what drawbacks might it have?

Data ScientistMachine Learning Engineer

Rovio

Shutterstock

Improbable

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6 months ago

ML Knowledge

6 months ago

As an expert on linear regression, can you explain the fundamental assumptions of this modeling technique and why they are necessary for an accurate interpretation of results?

Data Scientist

Rovio

Illumina

StubHub

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6 months ago

Product Case

6 months ago

What data would you gather to assess the level of interest and excitement from our users towards the video chat feature?

Data Scientist

Rovio

Yandex

Blend

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6 months ago

Statistics

7 months ago

Can you clarify how the standard error of the mean differs from the standard error of the median?

Data Scientist

Rovio

Curve

Arm

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7 months ago

SQL

7 months ago

Suppose you have a SQL table called messages with fields id, sender_id, receiver_id, and message. What query would you use to extract the distinct communicators?

Data Scientist

Rovio

Yandex

Deloitte

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7 months ago

Behavioral

7 months ago

In the past, have you had a lot of responsibilities, which has presented you with a challenge?

Data ScientistBackend EngineerProduct ManagerSoftware Engineer

Rovio

MyGlamm

HubSpot

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7 months ago

Statistics

7 months ago

What is the probability that 2X is greater than Y, given that X and Y are independent random variables with uniform distributions and mean equal to 0 and standard deviation equal to 1?

Data Scientist

Rovio

Etsy

Juniper Networks

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7 months ago

Behavioral

7 months ago

What do you think are your top three personality traits that make you successful? How do they align with Rovio?

Data Scientist

Rovio

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7 months ago

Coding

8 months ago

Please demonstrate how you would develop a function to compute the RMSE for two input arrays.

Data ScientistMachine Learning Engineer

Rovio

Bloomberg

Wise

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8 months ago

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