I applied through an employee referral and interviewed at American Express.
Interview Details –
I had a 15-minute phone-screening interview on a Wednesday, followed by a 1-hour technical phone interview the following Friday. My comments pertain to the technical interview.
The technical interview was broken into 3 parts:
1.) Technical statistical questions (e.g., assumptions of the analysis, strengths and weaknesses of various estimation procedures, how it treats various types of variables)
2.) Hypothesis Testing (this was all self-explanatory)
3.) Applied Questions. They prefaced this question by telling you that they just want to know how you think and that there may not be a right answer. Some of these were along the lines of statistical brain teasers.
They end the interview by giving you the opportunity to ask them questions.
Interview Question –
Which of these pieces of information would be most useful in estimating the number of people who work in a 30 story building.
1.) The number of cars in the parking lot
2.) The number of people eating lunch in the cafeteria
3.) The number of people on the 11th floor
I had no idea how to answer this one. They all seem inadequate. Several of the other questions had more obvious red herrings, so gave a justification for ruling out #3, then focused on the pros and cons of the other 2.
I think they just want to know how you work through this kind of problem. (But who knows?) Answer Question
What will you do #foraliving? Welcome to American Express. Here we encourage everyone who works with us to do what they love with pride, share their innovations, and realize their full potential by helping other people… — Full Overview
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