Top 30 Statistics and Probability Interview Questions
The most frequently asked questions on this topic across all roles and companies, ranked by real interview frequency. Updated weekly.
Explain what a p-value means in hypothesis testing and how it relates to statistical significance.
Publicis Groupe
Johns Hopkins University
Fifth ThirdExplain what statistical significance means and why it matters when interpreting experimental or analytical results.
Software Technology
Siemens Healthineers
Cushman & WakefieldExplain how to design and evaluate an A/B test for a product feature, including metrics, MDE, sample size, and guardrails.
PTC
AIG
1PasswordReason about sample size, power, and minimum detectable effect before launching an experiment.
Taboola
PlaidSiemens HealthineersSign up to see every question
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Explain how to test whether an observed experiment lift is real using hypothesis testing, p-values, and confidence intervals.
Nyc Staffing
Airbus
T-rexExplain how you have designed and implemented A/B tests, including hypothesis setup, analysis, and decision making.
Vibrant Emotional Health
Frost Bank
CNAExplain how to evaluate whether an A/B test result is statistically significant and how to interpret the result.
Franklin Energy
Bertelsmann
LEARFIELDExplain what a p-value means, how it relates to statistical significance, and how to describe it clearly to non-technical stakeholders.
Metrostar
Ipsos
TikTok