Tubi Data Scientist Interview Questions
Master your tech interview with our curated database of real questions from top companies.
Compute daily net users from event logs
Given an event log, write SQL to compute, for the target date 2025‑09‑01 ("today"), the counts of new users, retained users, churn users, and net user...
Handle multiple experiment metrics and communication
Multi‑Outcome Experiment: Decision Framework, Multiplicity, Pre‑registration, and Communication Context You ran an A/B test with: - Primary metric: co...
Diagnose and fix selection bias in experiments
Selection Bias With Opt-in Discount Banner Context You observe that users can opt in to see a discount banner (treatment = 1 if they opted in and saw ...
Determine A/B test sample size drivers
A/B Test Sample Size With Variations and Overdispersed Metric Case You are planning a two‑arm A/B test on a binary conversion metric with: - Baseline ...
Explain p‑values to a product manager
Interpreting a Two-Sided A/B Test p-value of 0.03 You ran a two-sided A/B test on conversion rate. Results: - Baseline (control) conversion: 5.0% - Ob...
Measure Super Bowl ad impact with causal design
Super Bowl National TV Ad: Incrementality Measurement Plan Context: Your consumer app ran a single 30-second national Super Bowl TV spot. Design a pla...