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Statistics

2 years 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

Onfido

WeWork

Bolt

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2 years ago

Statistics

2 years ago

What are the ways to minimize residuals on a different statistical model?

Data Scientist

Onfido

Amazon Web Services

Monzo

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2 years ago

Behavioral

2 years ago

What would you change to make Onfido better?

Data Scientist

Onfido

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2 years ago

Statistics

2 years ago

What criteria do you use to determine whether a Gaussian mixture model is a suitable choice for modeling a particular data set?

Data Scientist

Onfido

CrowdStrike

Ticketmaster

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2 years ago

Statistics

2 years ago

How would you describe heteroscedasticity?

Data Scientist

Onfido

Paytm

LogMeIn

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2 years ago

ML Knowledge

2 years ago

In what way does the k-means algorithm function differently from the k-nearest neighbors algorithm?

Data Scientist

Onfido

Mozilla

Palantir Technologies

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2 years ago

ML Knowledge

2 years ago

What are the steps you go through in ETL sort of processes?

Data Scientist

Onfido

Intel

Coinbase

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2 years ago

Statistics

2 years ago

What is the total sample size needed to reduce the margin of error from 3 to 0.3, assuming your current sample size is n?

Data Scientist

Onfido

TikTok

Palo Alto Networks

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2 years ago

Behavioral

2 years ago

What makes you the best candidate for this Data Scientist role?

Data Scientist

Onfido

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2 years ago

Coding

2 years ago

How would you program a fair die-rolling simulation, and how would you validate that the outcomes are fair?

Data ScientistMachine Learning Engineer

Onfido

Zenefits

VeriSign

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2 years ago

Try Free AI Interview

Onfido

Data Scientist

Prepare for Statistics interview at Onfido

Statistics

Onfido

Data Scientist

Prepare for Metrics and Experimentation interview at Onfido

Metrics and Experimentation

Onfido

Data Scientist

Prepare for ML / Modeling interview at Onfido

ML / Modeling

Onfido

Data Scientist

Prepare for Problem Solving interview at Onfido

Problem Solving

Onfido

Data Scientist

Prepare for SQL interview at Onfido

SQL

Onfido

Data Scientist

Prepare for Resume Review interview at Onfido

Resume Review

Onfido

Data Scientist

Prepare for Behavioral interview at Onfido

Behavioral

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