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Statistics & Math Interview Questions
Practice 9403 coding, system design and machine learning questions from 546 companies, sorted by role, topic and interview round. Every question has step-by-step hints, a code runner that supports 8 languages and an AI mentor; members also get the full solution walkthrough.
- 9403
- Questions
- 546
- Companies
- 11
- Topics
- 8
- Languages
Showing 121–124 of 124 results
- Virtu FinancialHardQuantitative ResearcherCompare Two Strategies for Getting Ten Consecutive Heads
This problem tests your ability to model probability through recursion and expectation, specifically comparing the efficiency of two distinct strategies for achieving a target streak of coin tosses.
Statistics & MathOnsiteProbabilityExpectationRecurrence - Walmart LabsMediumData ScientistUnderstand Propensity Score Matching in Business Analytics
This interview question evaluates statistical assumptions, formulas, estimation strategy, uncertainty, edge cases, and interpretation in a realistic interview setting. A strong answer for Understand Propensity Score Matching in Business Analytics states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.
Statistics & MathOnsite - WaymoEasyData ScientistModel wins-until-failure and expected future wins
This question tests your ability to model geometric distributions and apply maximum likelihood estimation (MLE) to censored data.
Statistics & MathOnsiteStatisticsMLEProbability - ZooxEasyData ScientistSolve estimation and probability brainteasers
This question evaluates quantitative estimation, unit conversion, geometric scaling, and basic probability skills across multiple short brainteaser prompts.
Statistics & MathOnsite
Virtu Financial
Walmart Labs
Waymo
Zoox