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Statistics

a year ago

Could you explain the probability of achieving k heads after n coin flips?

Data Scientist

Mozilla

Airbnb

Boeing

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a year ago

SQL

a year ago

Suppose we have a dataset of (date, duration) tuples. Explain how you would filter by a particular time period and analyze the data to produce summary statistics such as the average duration and rolling sum?

Data Scientist

Mozilla

Twitter

Glovo

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a year ago

ML Knowledge

a year ago

Explain the differences between neural networks and support vector machines and provide examples of circumstances that are best suited for each technique.

Data Scientist

Mozilla

Mollie

Hootsuite

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a year ago

Behavioral

a year ago

Tell me about a project that you are particularly proud of.

Data ScientistTechnical Program ManagerProgram ManagerSoftware Engineer

Mozilla

ZipRecruiter

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a year ago

Behavioral

a year ago

Share an experience where you took a risk.

Data ScientistiOS EngineerTechnical Program ManagerProgram Manager

Mozilla

Age of Learning

Fast Enterprises

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a year ago

SQL

a year ago

Imagine a messages table in SQL with fields id, sender_id, receiver_id, and message. What is the method you would use to determine the set of unique communicators?

Data Scientist

Mozilla

Teradata

Confluent

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a year ago

Behavioral

a year ago

What are some ways you use various styles of communication to be effective in sharing your perspectives?

Data ScientistData Engineering ManagerML Engineering ManagerEngineering Manager

Mozilla

Lufax

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a year ago

Behavioral

a year ago

I want to hear about a time when you had to work together on a project with a coworker who you didn't like.

Data ScientistEngineering ManagerUX DesignerUX Researcher

Mozilla

Docker

CarMax

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a year ago

Behavioral

a year ago

What is a difficult piece of feedback that you have received? When did you receive it and how did you handle it?

Data ScientistData Science ManagerEngineering ManagerUX Designer

Mozilla

Xilinx

Bentley Systems

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a year ago

ML Knowledge

a year ago

How would you approach selecting between Ridge and Lasso regression when presented with a regression problem?

Data Scientist

Mozilla

Grammarly

Hopper

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a year ago

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

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