Voleon Group Data Scientist Statistics & Math Interview Questions
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Voleon Group
Hard
Data Scientist LockedCompute robust inference under skew and outliers
A/B test with skew, outliers, heteroskedasticity, missingness, and multiplicity You are comparing two independent product variants that produce a cont...
Statistics & Math
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Oct 13, 2025
Voleon Group
Medium
Data Scientist LockedDiagnose and interpret regression assumptions
OLS for Signups with Diagnostics and Alternatives You are given a cleaned dataset with the following columns: - signups: non-negative integer count ta...
Statistics & Math
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0
Oct 13, 2025
Voleon Group
Medium
Data ScientistExplain P-Value Reporting and Bootstrap for Coefficient Estimation
Scenario Technical screen — statistical inference checks after regression. Questions 1) You observe a regression output where a coefficient's p-value ...
Statistics & Math
0
0
Aug 4, 2025