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Quantitative Research Analyst Interview Questions

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815 quantitative research analyst interview questions shared by candidates

Q: Suppose you want to calculate how long an escalator is. You have two times: the time it takes you to ascend the escalator while standing still, and the time it takes you to ascend the escalator while walking at a speed of x meters/second. Q: Some easy probability question on bounding the event of rain on a second day if it rained on the first. I'm sure there's someone else on here who gave a more detailed account. A follow-up required knowledge about union-bound if I recall correctly.
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Quantitative Research Intern

Interviewed at Jane Street

4.4★
Nov 7, 2022

Q: Suppose you want to calculate how long an escalator is. You have two times: the time it takes you to ascend the escalator while standing still, and the time it takes you to ascend the escalator while walking at a speed of x meters/second. Q: Some easy probability question on bounding the event of rain on a second day if it rained on the first. I'm sure there's someone else on here who gave a more detailed account. A follow-up required knowledge about union-bound if I recall correctly.

1. You have two time series Xt and Yt. You do a regression of Y over X and get coefficient \beta, t-stats and R2. Now you double the size of the original series with original data and do the regression with new \beta, t-stats and R2. How will \beta, t-stats and R2 change? 2. given an array of size n, find the fastest way to find maximum and minimum element.
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Quantitative Research Analyst

Interviewed at Two Sigma

3.9★
Feb 23, 2016

1. You have two time series Xt and Yt. You do a regression of Y over X and get coefficient \beta, t-stats and R2. Now you double the size of the original series with original data and do the regression with new \beta, t-stats and R2. How will \beta, t-stats and R2 change? 2. given an array of size n, find the fastest way to find maximum and minimum element.

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