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How to rank statements by likelihood

Last updated: Mar 29, 2026

Quick Overview

This question evaluates proficiency in data interpretation, probabilistic reasoning, and statistical literacy for ranking statement likelihoods from visualizations and tabular summaries, targeting Data Scientist roles in the Machine Learning domain.

  • hard
  • Optiver
  • Machine Learning
  • Data Scientist

How to rank statements by likelihood

Company: Optiver

Role: Data Scientist

Category: Machine Learning

Difficulty: hard

Interview Round: Take-home Project

You are given a "likelihood" / "data interpretation" test. For each question: - You are shown a data representation (e.g., a large table, a scatter plot, a box plot, or a network graph). - You are given exactly **three statements** about the data. ### Task Rank the three statements from **most likely to be true** to **least likely to be true**, based only on the provided data. Explain your approach and what checks you perform to avoid common mistakes (e.g., confusing axes, ignoring sample size, mixing up conditional probabilities, misreading box plots, etc.).

Quick Answer: This question evaluates proficiency in data interpretation, probabilistic reasoning, and statistical literacy for ranking statement likelihoods from visualizations and tabular summaries, targeting Data Scientist roles in the Machine Learning domain.

Optiver logo
Optiver
Feb 3, 2026, 12:00 AM
Data Scientist
Take-home Project
Machine Learning
4
0
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You are given a "likelihood" / "data interpretation" test.

For each question:

  • You are shown a data representation (e.g., a large table, a scatter plot, a box plot, or a network graph).
  • You are given exactly three statements about the data.

Task

Rank the three statements from most likely to be true to least likely to be true, based only on the provided data.

Explain your approach and what checks you perform to avoid common mistakes (e.g., confusing axes, ignoring sample size, mixing up conditional probabilities, misreading box plots, etc.).

Solution

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