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Behavioral
a year ago
Describe a time when your performance exceeded expectations
Data ScientistProgram ManagerFrontend EngineerFull Stack Software Engineer
Ally Logo

Ally

Figma Logo

Figma

Duolingo Logo

Duolingo

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a year ago
Analytics Case
a year ago
In the case of a new product launch, but declining usage metrics, what actions would you suggest the product team takes?
Data Scientist
Ally Logo

Ally

Gusto Logo

Gusto

GoCardless Logo

GoCardless

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a year ago
ML Knowledge
a year ago
How does dimensionality reduction contribute to the field of artificial intelligence and the development of intelligent systems?
Data Scientist
Ally Logo

Ally

OpenDoor Logo

OpenDoor

Atlassian Logo

Atlassian

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a year ago
Behavioral
2 years ago
How have you learned from a time in which you failed badly?
Data ScientistProduct ManagerBackend EngineerTechnical Program Manager
Ally Logo

Ally

JoyTunes Logo

JoyTunes

N26 Logo

N26

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2 years ago
ML Knowledge
2 years ago
In your opinion, how does Rectified Linear Unit perform as an activation function?
Data Scientist
Ally Logo

Ally

Eventbrite Logo

Eventbrite

ASML Logo

ASML

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2 years ago
Statistics
2 years ago
Write a function in any programming language that extracts N samples from a population with a mean of 0 and standard deviation of 1, and draws the histogram of the data. Can you do that?
Data Scientist
Ally Logo

Ally

Peloton Logo

Peloton

Nutanix Logo

Nutanix

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2 years ago
SQL
2 years ago
What SQL statement would you use to select entries that begin with the letter 'H'?
Data Scientist
Ally Logo

Ally

American Express Logo

American Express

Zendesk Logo

Zendesk

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2 years ago
Statistics
2 years ago
How many days, on average, do you expect it would take to draw a value greater than 2 if you were randomly drawing from a normal distribution with a mean of 0 and a standard deviation of 1 once per day?
Data Scientist
Ally Logo

Ally

NVIDIA Logo

NVIDIA

Comcast Logo

Comcast

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2 years ago
Statistics
2 years ago
How would you go about determining whether a Gaussian mixture model is a valid approach for modeling a given data set?
Data Scientist
Ally Logo

Ally

CrowdStrike Logo

CrowdStrike

Ticketmaster Logo

Ticketmaster

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2 years ago
ML Knowledge
2 years ago
What distinguishes the truncated versions of Logistic Regression and SVM?
Data Scientist
Ally Logo

Ally

Bosch Logo

Bosch

Zomato Logo

Zomato

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2 years ago

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

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