CVS Health Statistics & Math Interview Questions
Master your tech interview with our curated database of real questions from top companies.
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4 Questions 1 Company
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CVS Health
Medium
Data ScientistCompute A/B significance, CI, and power
You run an A/B test for 7 days. Control A: 520 conversions out of 10,000 sessions. Variant B: 630 conversions out of 11,500 sessions. Use a calculator...
Statistics & Math
0
0
Oct 13, 2025
CVS Health
Medium
Data ScientistExplain p-value and choose correct test
Technical Screen: P-values and Robust Two-Sample/Paired Tests Context: You are a data scientist evaluating healthcare interventions. Answer in clear, ...
Statistics & Math
0
0
Oct 13, 2025
CVS Health
Medium
Data ScientistTest payment-accuracy lift with p-value and power
AB Test of Payment Accuracy (Two Proportions) Assume transactions in the two periods are independent and large enough for normal approximations. Defin...
Statistics & Math
0
0
Oct 13, 2025
CVS Health
Easy
Data ScientistCalculate CI and Test Correlation Under Normality
Inference on a Mean, Significance of a Correlation, and a Normal Quantile Assume standard parametric conditions (normality as stated). Show formulas, ...
Statistics & Math
0
0
Oct 13, 2025