Point72 Interview Questions

How do the estimated beta coefficients and t-statistics change in Ordinary Least Squares (OLS) regression if each sample in the dataset is duplicated?

A college maintains department information in one table and student information in another table. Write a SQL query to display the number of students by major in descending order.

Given an array of dates in string format (e.g., '20050301'), write a function that returns the year and quarter for each date (e.g., '20050301' => '2005Q1').

How would you remove an element from a linked list using an iterator?

What are the assumptions of linear regression, and what are the differences between linear regression and logistic regression?