Apple Data Scientist Analytics & Experimentation Interview Questions
Master your tech interview with our curated database of real questions from top companies.
Design A/B Test for Search Feature Effectiveness
A/B Testing a Search Button and Measuring Search Quality Scenario A product team wants to evaluate a new search button and ensure search results are h...
Investigate Conversion Drop: Metrics, Analyses, Techniques Explained
Investigating a Conversion Drop After a Feature Release Context A new feature was released on an e-commerce platform. Shortly after, overall checkout ...
Examine Data to Boost Instagram Purchases Effectively
Increasing Instagram In‑App Purchases: Data, Experiments, and Trade‑off Decisions Scenario You are interviewing for a growth analytics role working on...
Diagnose post-release conversion regression rigorously
On July 15, 2025, version 7.3 was fully rolled out. Daily signup conversion fell from 5.4% (July 1–14 baseline) to 4.9% (July 15–21), while spend and ...
Evaluate a model and choose metrics
Fraud-screening model evaluation under class imbalance and asymmetric costs Context You operate a binary classifier that flags e‑commerce orders for m...
Design an A/B Test for Homepage Layout Impact
Experiment Design: New Homepage Layout → Purchase Rate Context You are designing an A/B test to evaluate whether a new homepage layout increases purch...