Top 50 statistics Interview Questions
The most frequently asked statistics questions across all roles and companies, ranked by real interview frequency. Updated daily.
Use a deque and running statistics to calculate rolling telemetry averages and detect outliers in linear time.
AmazonIdentify time-series outliers with a rolling mean and standard-deviation z-score in linear time.
Goldman SachsFind a server latency percentile using nearest-rank selection and quickselect without fully sorting the measurements.
PinterestReturn a consistent five-part plan for analyzing a statistics and algorithms problem.
Use dynamic programming to calculate the probability of getting at least k heads from independent coin flips.
Sign up to see every question
Create a free account to unlock this list and practice real interview questions.
Tests whether you can communicate statistical thinking clearly, own the analysis end-to-end, and adapt your message to different audiences.
Exl
Stanford UniversityAssess missingness mechanisms, choose defensible treatments, and test sensitivity to deletion or imputation.
MSCICChildren's Cancer Research Group
IntrexonExplain how you framed, analyzed, validated, and communicated a complex data analysis problem using appropriate statistical methods.
eBay
eVestment
bet365Calculate a three-day moving average of active-client revenue using aggregation and SQL window functions.
AAreteSShyena Tech YarnsAATB FinancialCalculate each Hinge user's 30-day rolling average of daily interactions using CTEs and window functions.
HingeAAlight SolutionsTTikTok USDS JVFind the top 3 users by completed transaction volume in the last 30 days using joins and aggregation.
Revolut
Chime