Prepfully logo
  • Browse Coaches
  • Login
BetaTry Out Our New AI Mock Interviewer – Your Smartest Way to Ace Any Interview!Try Our AI Mock Interviewer
Try Now
NewRegister as a coach and get a $100 bonus on your first completed session if you're on the Prepfully Request for Coaches list.Coach $100 Bonus
Read More
LimitedEaster Deal: Heavy discounts on all Prepfully sessions.Easter Deal: Discounts
Book Now

Your AI Wingman for your next interview

The most comprehensive bank Interview Answer Review tooling available online.

Cutting-edge AI technology meets personalized feedback. Improve your interview answers with insightful guidance provided by a model trained against more than a million human-labelled interview answers.
  • Company rubrics
  • Role-level optimisations
  • Trained on 1mil+ answers
Statistics
2 years ago
Using transition probabilities, how would you determine the frequency of states in a Markov chain sample?
Data Scientist

HelloFresh

Meta

Slack

Get answer reviewed by AI
2 years ago
ML KnowledgeML Case
2 years ago
Describe the process of calculating Pi using the Monte Carlo technique.
Data ScientistMachine Learning Engineer

HelloFresh

Grafana Labs

Chewy

Get answer reviewed by AI
2 years ago
ML Knowledge
2 years ago
Explain the BERT architecture and its advantage over a BiLSTM.
Data Scientist

HelloFresh

DataRobot Logo

DataRobot

LiveRamp Logo

LiveRamp

Get answer reviewed by AI
2 years ago
Behavioral
2 years ago
Which skills make you an ideal candidate?
Data ScientistData Science ManagerEngineering ManagerUX Designer

HelloFresh

JP Morgan Logo

JP Morgan

ServiceNow Logo

ServiceNow

Get answer reviewed by AI
2 years ago
Coding
2 years ago
Find the maximum sum path that goes through the root of a tree and calculate its sum.
Data Scientist

HelloFresh

Noom Logo

Noom

Airbnb Logo

Airbnb

Get answer reviewed by AI
2 years ago
ML Knowledge
2 years ago
How can you differentiate between bagging and boosting, and what impact do they have on the bias and variance of supervised learning models?
Data Scientist

HelloFresh

Peloton Logo

Peloton

Niantic Logo

Niantic

Get answer reviewed by AI
2 years ago
ML KnowledgeML Case
2 years ago
Provide an overview of the major differences between multidimensional and tabular models and explain which model is preferred by Azure analysis services?
Data Scientist

HelloFresh

ServiceNow Logo

ServiceNow

Ticketmaster Logo

Ticketmaster

Get answer reviewed by AI
2 years ago
Behavioral
2 years ago
In a perfect world, what would you change about HelloFresh?
Data Scientist

HelloFresh

Get answer reviewed by AI
2 years ago
Behavioral
2 years ago
Tell me about one time that you had to assist a colleague in an area out of your responsibilities. How'd it go?
Data ScientistTechnical Program ManagerSoftware EngineerProduct Manager

HelloFresh

DeviantArt Logo

DeviantArt

Lenskart Logo

Lenskart

Get answer reviewed by AI
2 years ago
Behavioral
2 years ago
What would you do if your coworker never showed up for a scheduled meeting on time?
Data ScientistProgram ManagerFrontend EngineerFull Stack Software Engineer

HelloFresh

SailPoint Logo

SailPoint

Flexport Logo

Flexport

Get answer reviewed by AI
2 years ago

Try Free AI Interview

Question of the week

We'll send you a weekly question to practice for:

Showing 71 to 80 of 174 results

Previous678910Next

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

  • Pinterest Product Manager Interview Guide
  • Amazon Business Intelligence Engineer Interview Guide
  • Amazon Business Analyst
  • Amazon Quality Assurance Engineer Interview Guide
  • Amazon Program Manager Interview Guide
  • Amazon UX Researcher Interview Guide
  • Company
  • FAQs
  • Contact Us
  • Become An Expert
  • Services
  • Practice Interviews
  • Interview Guides
  • Interview Questions
  • Watch Recorded Interviews
  • Gift sessions
  • AI Interview
  • Social
  • Twitter
  • Facebook
  • LinkedIn
  • YouTube
  • Legal
  • Terms & Conditions
  • Privacy Policy
  • Illustrations by Storyset

© 2025 Prepfully. All rights reserved.

Prepfully logo

Please log in to view more questions.

Not a member yet? Sign up for free.