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Behavioral

a year ago

Tell me about a time you've had to change the way you work.

Data ScientistData Science ManagerML Engineering ManagerData Engineering Manager

Visa

Hulu

Asana

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a year ago

Statistics

a year ago

When conducting a hypothesis test, what are type I and type II errors, and which one do you believe is the greater of the two?

Data Scientist

Visa

Scribd

DataRobot

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a year ago

Behavioral

a year ago

If you were to get the Data Scientist job, how would you improve Visa?

Data Scientist

Visa

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a year ago

Big Data

a year ago

In your own words, how does MapReduce operate?

Data Scientist

Visa

Affirm

SurveyMonkey

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a year ago

ML Knowledge

a year ago

Are you well-versed in XGBoosting and the various hyperparameters that can be fine-tuned for optimal performance?

Data Scientist

Visa

PayPal

Zoom

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a year ago

Coding

2 years ago

Can you program a Python function that reduces song stream figures by a specific markdown rate?

Data Scientist

Visa

ZocDoc

Avito

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2 years ago

Statistics

2 years ago

How do you ascertain the interquartile distance within an unsorted array of decimal figures?

Data Scientist

Visa

Groupon

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2 years ago

ML Knowledge

2 years ago

What is your approach to assessing various algorithms and selecting the most appropriate one for a given machine learning task?

Data Scientist

Visa

Springboard

Huawei

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2 years ago

Behavioral

2 years ago

Describe a time when you made a bad decision. What did you learn from this experience?

Data ScientistData Science ManagerEngineering ManagerUX Designer

Visa

Trackmaven

Okta

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2 years ago

ML System DesignML CaseProduct Case

2 years ago

Please describe your proposed approach to creating a system that detects anomalies in a user's server data and sends alerts to get the user's attention.

Data Scientist

Visa

Stack Overflow

Qualcomm

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2 years ago

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

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