Prepare for and practice interview questions from Help Scout.

Help Scout Interview Questions

A/B Testing

Algorithms

Analytics

Machine Learning

Probability

Product Metrics

Python

Statistics

Help Scout Interview Guides

Let’s say that we are a credit card company that is looking to partner with more merchants that accept our credit card.

We have 100K small businesses that we can reach out to but we only have the manpower to reach out to 1000 of them.

How would you build a strategy to find the best businesses to reach out to?

A credit card company has 100,000 small businesses they can reach out to, but they can only contact 1,000 of them. How would you identify the best businesses to target?

Credit Card Outreach

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
Credit Card Outreach	Business Problem Solving	Medium	Very High
Boarding Times Bias	Statistics	Medium	Very High
Hundreds of Hypotheses	Statistics	Medium	Very High