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Big Data
4 months ago
Could you detail the functionality and workflow of MapReduce?
Data Scientist

Medallia

Affirm

SurveyMonkey

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4 months ago
Statistics
5 months ago
What constitutes a median in a dataset, and how can it be calculated if the dataset is too large to be held in memory?
Data Scientist

Medallia

Spotify Logo

Spotify

Marqeta Logo

Marqeta

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5 months ago
Coding
5 months ago
Can you compose a tool that performs string inversion?
Data ScientistMachine Learning Engineer

Medallia

Skyscanner Logo

Skyscanner

StubHub Logo

StubHub

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5 months ago
Statistics
5 months ago
Can you describe for me the contrast between the frequentist and Bayesian techniques for probability? Additionally, what benchmarks would you consider when deciding between these approaches in a specific situation?
Data Scientist

Medallia

Noom Logo

Noom

Bloomberg Logo

Bloomberg

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5 months ago
Statistics
5 months ago
If a square grid is populated with numbers at each spot, what is the maximum cumulative value obtainable when moving from the top left to the bottom right, given the movement is limited to down or right?
Data Scientist

Medallia

Babylon Health Logo

Babylon Health

Zoom Logo

Zoom

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5 months ago
ML Knowledge
5 months ago
What practices are recommended for overcoming covariate imbalance in machine learning, and how do they aid in enhancing model robustness?
Data Scientist

Medallia

Wish Logo

Wish

Teradata Logo

Teradata

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5 months ago
Behavioral
6 months ago
I want to hear about something you did that was risky.
Data ScientistFrontend EngineerProgram ManagerFull Stack Software Engineer

Medallia

Braze Logo

Braze

Oath Logo

Oath

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6 months ago
Behavioral
6 months ago
What is your greatest accomplishment in your current position?
Data ScientistData Science ManagerEngineering ManagerUX Designer

Medallia

Tableau Logo

Tableau

N26 Logo

N26

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6 months ago
ML Knowledge
6 months ago
Could you elucidate the minimum height tree concept and the process to assemble one?
Data Scientist

Medallia

Nubank Logo

Nubank

Hitachi Logo

Hitachi

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6 months ago
Coding
6 months ago
Can you code a binary search algorithm to determine the peak element in a series of integers?
Data ScientistMachine Learning Engineer

Medallia

Rubrik Logo

Rubrik

Disney Logo

Disney

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6 months ago

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

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