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Circle Internet Financial Interview Questions

A/B Testing

Algorithms

Analytics

Machine Learning

Probability

Product Metrics

Python

Statistics

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Facebook is considering implementing a payment feature into Facebook Messenger. The feature would allow friends to pay one another in a similar way to Venmo by sending a payment message.

How would you determine whether or not this is a good business decision?

What are the potential risks or drawbacks of implementing a payment feature on a social media platform?

What are the potential risks or drawbacks of implementing a payment feature on a social media platform?

Messenger Payments

Would you consider adding a payment feature to Facebook Messenger is a good business decision?

Business Problem Solving

Suppose there exists a new airline named Jetco that flies domestically across North America. Jetco recently had a study commissioned that tested the boarding time of every airline, and it came out that Jetco had the fastest average boarding times of any airline.

What factors could have biased this result, and what would you look into?

What could potentially bias the average boarding time in favor of an airline that only flies domestically?

What could potentially bias the average boarding time in favor of an airline that only flies domestically?

Boarding Times Bias

A new airline came out as the fastest average boarding times compared to other airlines.  What factors could have biased this result and what would you look into?

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

What is a key disadvantage of the F-test when compared to multiple t-tests?

What is a key disadvantage of the F-test when compared to multiple t-tests?

Hundreds of Hypotheses

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

Question	Topic	Difficulty	Ask Chance
Messenger Payments	Business Problem Solving	Hard	Very High
Boarding Times Bias	Statistics	Medium	Very High
Hundreds of Hypotheses	Statistics	Medium	Very High

Circle Internet Financial Interview Questions

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