Drw Statistics & Math Interview Questions
Master your tech interview with our curated database of real questions from top companies.
4Questions
1Company
4 Questions 1 Company
Showing 4 results
DRW
Medium
Data ScientistDifferentiate sample vs population standard deviation
Population vs. Sample Standard Deviation in a Finite Rolling Window Context You are implementing a rolling standard deviation over a fixed-size window...
Statistics & Math
0
0
Aug 9, 2025
DRW
Medium
Data ScientistSolve Markov and distribution expectation problems
Statistics, Linear Algebra, and Game Theory Fundamentals 1) Stationary Distribution of a Finite Markov Chain Given a finite Markov chain with transiti...
Statistics & Math
0
0
Aug 4, 2025
DRW
Medium
Data ScientistCompute Markov steady state and expectations
Probability and Game Theory: Three Sub-questions Context: The exact transition matrix P (for Q1) and the 2×2 payoff matrix (for Q3) are not provided. ...
Statistics & Math
0
0
Jul 28, 2025
DRW
Easy
Data ScientistDerive eigenvalues and sum for inverse matrix
Eigenvalues of an Inverse and Their Sum Context Let A be an invertible n×n matrix (over the real or complex numbers). All eigenvalues of A are nonzero...
Statistics & Math
0
0
Jul 28, 2025