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

a year ago

How might one calculate the expected value of a random variable that follows a basic distribution? Additionally, what steps would you take to construct a confidence interval for this value?

Data Scientist

Hopper

Riot Games

N26

Test with AI interviewer

Get answer reviewed by AI

a year ago

Statistics

2 years ago

Could you simplify the concept of Markov Chains for someone without a technical background?

Data Scientist

Hopper

Yelp

Skyscanner

Test with AI interviewer

Get answer reviewed by AI

2 years ago

Behavioral

2 years ago

What would be your ideal team to join in Hopper

Data Scientist

Hopper

Test with AI interviewer

Get answer reviewed by AI

2 years ago

ML Knowledge

2 years ago

What's the difference between linear and logistic regression?

Data Scientist

Hopper

Robinhood

WorldRemit

Test with AI interviewer

Get answer reviewed by AI

2 years ago

ML Knowledge

2 years ago

In decision trees, what's the significance of bias and variance? Furthermore, which one presents a bigger issue - high bias or high variance - and what's the justification for that?

Data Scientist

Hopper

Elastic

Rivian

Test with AI interviewer

Get answer reviewed by AI

2 years ago

Statistics

2 years ago

Could you detail how an A/B test would be conducted to assess a 3% hike in product usage?

Data Scientist

Hopper

Productboard

Novartis

Test with AI interviewer

Get answer reviewed by AI

2 years ago

Behavioral

2 years ago

Where do your near term objectives fit into your long term priorities?

Data ScientistFrontend EngineerProgram ManagerFull Stack Software Engineer

Hopper

SurveyMonkey

Unity Technologies

Test with AI interviewer

Get answer reviewed by AI

2 years ago

Coding

2 years ago

Show me how you'd write a function to generate a bell curve with random data and graph it.,

Data Scientist

Hopper

SoFi

Qualcomm

Test with AI interviewer

Get answer reviewed by AI

2 years ago

ML Knowledge

2 years ago

What are some challenges that you have faced while performing Time Series Forecasting, and how did you overcome them?

Data Scientist

Hopper

Careem

GoCardless

Test with AI interviewer

Get answer reviewed by AI

2 years ago

Product Case

2 years ago

Could you explain the method for assessing the retention rate for a product?

Data Scientist

Hopper

OpenDoor

Faire

Test with AI interviewer

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 61 to 70 of 183 results

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

The most comprehensive bank Interview Answer Review tooling available online.

Try Free AI Interview

Question of the week

Interview Guides

Please log in to view more questions.