Prepare for and practice interview questions from American Express across topics like Algorithms, SQL, Python and more.

American Express Interview Questions

A/B Testing

Algorithms

Analytics

Machine Learning

Probability

Product Metrics

Python

Statistics

American Express Interview Guides

We are looking into creating a new partner card (think Starbucks chase credit card or Whole Foods chase credit card). You have access to all of our customer spending data.

How would you determine what our next partner card should be?

You work at Chase. We are looking into creating a new partner card (think Starbucks chase credit card or Whole Foods chase credit card).

What would be a reason why we would want to create partner cards?

You work at Chase. We are looking into creating a new partner card (think Starbucks chase credit card or Whole Foods chase credit card). 

What would be a reason why we would want to create partner cards?

Partner Card

New Partner Card

Assume you have a logistic model that is heavily weighted on one variable and that one variable has sample data like 50.00, 100.00, 40.00, etc….

Next let’s assume that there was a data quality issue with that variable and an unknown number of values removed the decimal point. For example 100.00 turned into 10000.

Would the model still be valid? Why or why not? How would you fix the model?

In predicting Airbnb booking prices with a dataset containing thousands of diverse features, which regression model could potentially perform better?

In predicting Airbnb booking prices with a dataset containing thousands of diverse features, which regression model could potentially perform better?

Variable Error

What are the Z and t-tests? What are they used for? What is the difference between them? When should use one over the other?

Which statistical test, the Z or t test, is more appropriate for tests with small sample sizes?

Which statistical test, the Z or t test, is more appropriate for tests with small sample sizes?

Z and t Tests I

What happens to the t-distribution as the degrees of freedom (ν) gets large?

American Express Interview Questions

American Express Interview Guides

American Express Interview Questions

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