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
UC Santa Barbara
Enterprise PeakExplain what statistical significance means and why it matters when interpreting experimental or analytical results.
Fifth Third BancorpExplain how to design and evaluate an A/B test for a product feature, including metrics, MDE, sample size, and guardrails.
PTC
1Password
BungalowReason about sample size, power, and minimum detectable effect before launching an experiment.
Taboola
Blue Cross and Blue Shield of Alabama
NewWave Telecom & TechnologiesSign 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
Crux Informatics
T-rexExplain how you have designed and implemented A/B tests, including hypothesis setup, analysis, and decision making.
OpenText
Specialized Bicycle Components
Vibrant Emotional HealthExplain how to evaluate whether an A/B test result is statistically significant and how to interpret the result.
Denodo
Franklin EnergymmondayExplain what a p-value means, how it relates to statistical significance, and how to describe it clearly to non-technical stakeholders.
Acumen
Hitachi
Ipsos