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ML Knowledge

3 years ago

How do the objectives of k-means and k-nearest neighbors differ in data analysis?

Data Scientist

Ancestry

Mozilla

Palantir Technologies

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3 years ago

Metrics and Experimentation

3 years ago

When creating a metric to compare two user's Netflix recommended lists of movie/tv show preferences, what steps would you take to ensure its reliability and accuracy?

Data Scientist

Ancestry

Square

Segment

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3 years ago

Statistics

3 years ago

Can you elucidate the idea of P-value in a way that someone with no technical expertise can grasp?

Data Scientist

Ancestry

Illumina

BetterUp

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3 years ago

Behavioral

3 years ago

Which of your accomplishments is most significant?

Data ScientistProgram ManagerFrontend EngineerFull Stack Software Engineer

Ancestry

Cognizant

Babylon Health

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3 years ago

ML Knowledge

3 years ago

Could you describe the workflow of a 1D CNN?

Data Scientist

Ancestry

Figma

UberEats

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3 years ago

Statistics

3 years ago

Given a margin of error of 3 and sample size of n, how many additional samples are required to reach the desired margin of error of 0.3?

Data Scientist

Ancestry

TikTok

Palo Alto Networks

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3 years ago

Product Case

3 years ago

With Meta's functionality once restricted to 'Comment' and 'Like', how would you initiate an experimental study to consider including further emotional reactions? What would be your blueprint for an A/B test?

Data Scientist

Ancestry

Dropbox

Gusto

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3 years ago

Behavioral

3 years ago

What did you do when you missed a deadline?

Data ScientistTechnical Program ManagerSoftware EngineerML Engineering Manager

Ancestry

Decathlon

NVIDIA

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3 years ago

Statistics

3 years ago

Would you mind explaining the difference between the standard error for the mean versus the median?

Data Scientist

Ancestry

Curve

Arm

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3 years ago

ML System DesignML CaseProduct Case

3 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

Ancestry

Stack Overflow

Qualcomm

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3 years ago

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

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