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Statistics
a year ago
How would you design an A/B test that can accurately measure a 3% increase in effectiveness while comparing two product campaigns, while minimizing the impact of confounding variables?
Data Scientist

Microsoft

Bill.com

DeliveryHero

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a year ago
Coding
a year ago
Could you create a function that receives two arrays and calculates the RMSE?
Data ScientistMachine Learning Engineer

Microsoft

Bloomberg Logo

Bloomberg

Wise Logo

Wise

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a year ago

Use the STAR Methodology: Structure your responses using the STAR approach (Situation, Task, Action, Result). This helps in providing comprehensive answers and demonstrating your problem-solving process effectively. Engage with the Interviewer: Ask clarifying questions to ensure you understand the context and specifics of what is being asked. This shows your engagement and helps tailor your answers more accurately. After answering, check in with the interviewer by asking if they need further clarification or if they understood your response. This ensures your answers are clear and addresses any follow-up questions they might have.

— Data Scientist from Microsoft (coach #BW272K)Book a slot with this coach
Statistics
a year ago
What is the probability of two consecutive heads when tossing a coin?
Data Scientist

Microsoft

Waymo Logo

Waymo

Peloton Logo

Peloton

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a year ago
ML Knowledge
a year ago
How is collaborative filtering implemented in the field of machine learning?
Data Scientist

Microsoft

NetSuite Logo

NetSuite

Sony Logo

Sony

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a year ago
Behavioral
a year ago
What did you learn from a recent failure? How has this failure made you a better Data Scientist?
Data Scientist

Microsoft

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a year ago
Statistics
a year ago
Could you give a brief overview of the concept of heteroscedasticity?
Data Scientist

Microsoft

Paytm Logo

Paytm

LogMeIn Logo

LogMeIn

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a year ago
Behavioral
a year ago
Have you ever had a co-worker who is always late to a scheduled meeting? What do you do in this situation?
Data ScientistProduct ManagerBackend EngineerTechnical Program Manager

Microsoft

MPL Logo

MPL

Commvault Logo

Commvault

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a year ago
Behavioral
a year ago
Tell me something that's not on your resume.
Data ScientistEngineering ManagerUX DesignerUX Researcher

Microsoft

Superhuman Logo

Superhuman

DeliveryHero

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a year ago
SQL
a year ago
Can you describe the role of window functions in SQL and compare them with aggregation and joins?
Data Scientist

Microsoft

Stitch Fix Logo

Stitch Fix

Quantcast Logo

Quantcast

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a year ago
Statistics
a year ago
What procedure would you use to generate a set of 1000 normally distributed data points with mean=x and variance=y, and how would you graphically represent and summarize the data?
Data Scientist

Microsoft

WeWork Logo

WeWork

Bolt Logo

Bolt

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a year ago

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

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