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

SQL

2 years ago

What tactics would you use to fine-tune a languid SQL query?

Data Scientist

Amazon Web Services

Nubank

Oracle

Test with AI interviewer

Get answer reviewed by AI

2 years ago

ML Knowledge

2 years ago

Could you explain the unique roles of a confusion matrix and an ROC curve in a model's performance evaluation?

Data ScientistMachine Learning Engineer

Amazon Web Services

SurveyMonkey

NerdWallet

Test with AI interviewer

Get answer reviewed by AI

2 years ago

Statistics

2 years ago

Given that X and Y are independent random variables with uniform distributions and mean 0 and standard deviation 1, what is the probability of 2X being greater than Y?

Data Scientist

Amazon Web Services

Transferwise

Credit Karma

Test with AI interviewer

Get answer reviewed by AI

2 years ago

ML Knowledge

2 years ago

What is the meaning of bias-variance tradeoff in machine learning? Could you provide a real-life scenario where you have observed this tradeoff in a model's efficacy?

Data Scientist

Amazon Web Services

BetterUp

Sony

Test with AI interviewer

Get answer reviewed by AI

2 years ago

ML Knowledge

2 years ago

Differentiate between RNN and LSTM.

Data ScientistMachine Learning Engineer

Amazon Web Services

Tokopedia

StubHub

Test with AI interviewer

Get answer reviewed by AI

2 years ago

Coding

2 years ago

Given an array of integers, you are tasked with finding the subarray of length k that has the maximum sum. How would you go about solving this problem?

Data Scientist

Amazon Web Services

Redfin

Shutterstock

Test with AI interviewer

Get answer reviewed by AI

2 years ago

Coding

2 years ago

How would you construct a solution to find the longest palindrome within a provided string?

Data ScientistMachine Learning Engineer

Amazon Web Services

Dropbox

SeatGeek

Test with AI interviewer

Get answer reviewed by AI

2 years ago

Coding

2 years ago

How can you simulate a fair die roll in code, and what method would you use to confirm its fairness?

Data ScientistMachine Learning Engineer

Amazon Web Services

Tableau

Nubank

Test with AI interviewer

Get answer reviewed by AI

2 years ago

ML Knowledge

2 years ago

Could you explain XGBoosting and how it offers advantages over other machine learning techniques?

Data Scientist

Amazon Web Services

Instagram

Mastercard

Test with AI interviewer

Get answer reviewed by AI

2 years ago

ML Knowledge

2 years ago

What’s your interpretation of a Neural Network and its working principle?

Data ScientistMachine Learning Engineer

Amazon Web Services

Sendbird

Snap

Test with AI interviewer

Get answer reviewed by AI

2 years ago

Question of the week

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

Showing 41 to 50 of 97 results

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

The most comprehensive bank Interview Answer Review tooling available online.

Question of the week

Interview Guides

Please log in to view more questions.