Voleon Quantitative Analyst Interview Questions

The questions to prepare for a Voleon Quantitative Analyst interview. Questions from real interview reports rank first. Updated daily.

50questions

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CodingStart here. 15 questions · ~140 min

Implement a two-sided Welch t-test, including its p-value, without statistical libraries.

Implement a Seeded Markov Chain SimulatorMedium

Practice

Simulate a finite Markov chain by sampling transitions from each state's probability distribution.

CodingArrayssimulation

Voleon

Implement Gradient DescentEasy

Practice

Implement batch gradient descent to fit a one-feature linear model for Plymouth Rock Assurance claim severity estimates.

MathArraysGradient Descent

Voleon

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Machine Learning18 questions · ~167 min

Assesses numerical linear algebra understanding and its application to ML computations.

Compute Linear Regression CoefficientsMedium

Tests practical skill in fitting linear regression and validating results.

linear regression

Voleon

Decision Trees and Eigen ValuesMedium

Evaluates understanding of decision trees and numerical methods involving eigenvalues.

Voleon

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Statistics & Probability17 questions · ~158 min

Semicircle Probability on a CircleHard

Evaluates probability reasoning for a geometric random selection problem.

probability

Voleon

Bootstrap Confidence IntervalsMedium

Tests understanding of resampling-based uncertainty estimation for model performance.

Model Evaluation

Voleon

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