Be well-prepared in quant, algorithm, statistics and programming if you want to be a QR. In addition, behavior questions are also very important.
Quantitative Researcher Interview Questions
2,685 quantitative researcher interview questions shared by candidates
1. Describe your research 2. I think your thesis is wrong. Prove it.
Quite weird questions. Asked me how many CPU cores in the cluster I used and if you can install a batch system. Nothing related to Quantitative Researcher Intern but more like for software engineer.
Talk about your previous experience doing quantitative research
Single leetcode easy-medium, some simple data processing
Roll 100 faced dice, bet a number, if you're right, you get money of that number. What is your strategy
Build an alpha using sentiment data.
Basic probability (conditional; Bayes theorem; correlation; expected value of order statistics; IID sequences), statistics (linear regression, think how beta varies under changes in the data), brainteasers (inference for ordered information; e.g. five people arrive to a place, incomplete information on arrival times and order, which option is necessarily true (or false)), speed of algorithms and data structure data access (sort, indexing; how fast does a structure access data), linear algebra (matrices, matrix operations; determinants and their properties), zeroes or maximums of curves under domain constraints (also in higher dimensions), mathematical series (where does a given Taylor series converge).
We have n switches, each has probability p_i being on and 1-p_i being off. What's the probability of C or more switches being on. What if C is a uniform random variable [0, n]
The number generator question and questions about my experience
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