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

How does the Wilk-Shapiro measure function in testing for normality in a given dataset?

Data Scientist

Duolingo

Coursera

Nutanix

Test with AI interviewer

Get answer reviewed by AI

2 years ago

ML Knowledge

2 years ago

What is the rationale behind the application of regularization in machine learning?

Data Scientist

Duolingo

Mailchimp

Yandex

Test with AI interviewer

Get answer reviewed by AI

2 years ago

Statistics

2 years ago

Given a group of 6 balls containing 4 red balls and 2 blue balls, determine the chances of drawing a different colored ball in each of two successive picks.

Data Scientist

Duolingo

Anaplan

HelloFresh

Test with AI interviewer

Get answer reviewed by AI

2 years ago

Coding

2 years ago

Could you walk us through your method for identifying the subsequence with the maximum sum in an array?

Data Scientist

Duolingo

Course Hero

Deloitte

Test with AI interviewer

Get answer reviewed by AI

2 years ago

Behavioral

2 years ago

Describe an experience you have when you have led a team.

Data ScientistProgram ManagerFrontend EngineerSite Reliability Engineer

Duolingo

Zoho

Ironclad

Test with AI interviewer

Get answer reviewed by AI

2 years ago

Statistics

3 years ago

How do panel data and cross sectional data differ from each other?

Data Scientist

Duolingo

Lyft

Klarna

Test with AI interviewer

Get answer reviewed by AI

3 years ago

Coding

3 years ago

Can you demonstrate a binary search technique to find the highest element in an integer list?

Data ScientistMachine Learning Engineer

Duolingo

Rubrik

Disney

Test with AI interviewer

Get answer reviewed by AI

3 years ago

Behavioral

3 years ago

When have you gone an extra mile for a project or endeavor?

Data ScientistData Engineering ManagerEngineering ManagerUX Designer

Duolingo

Roblox

PayPal

Test with AI interviewer

Get answer reviewed by AI

3 years ago

Behavioral

3 years ago

What are the ways in which your experience aligns with the values of Duolingo?

Data Scientist

Duolingo

Test with AI interviewer

Get answer reviewed by AI

3 years ago

ML Knowledge

3 years ago

Could you explain how cross-validation is used to assess the performance of a machine learning model?

Data Scientist

Duolingo

Walmart

Ancestry

Test with AI interviewer

Get answer reviewed by AI

3 years ago

Question of the week

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

Showing 101 to 110 of 169 results

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

The most comprehensive bank Interview Answer Review tooling available online.

Question of the week

Interview Guides

Please log in to view more questions.