Mostly quantitative statistics and probability questions with some game theory thrown in. Both phone interviews were fairly straight forward but the questions asked in person for the final round were much tougher. Really relaxed environment. Take time to think through and talk through the questions. Phone interviewers were friendly but extremely focused on the quantitative questions. In person interview was more intimidating, with a good portion without pencil and paper.

Online assessment that was not that hard and then a phone interview it was not too bad just the usual expected value and probability and that sort of thing. Dice questions and coin questions.