Core stats + product analytics warm-up
Why this sequence
Preview set covering the product analytics first-principles a Meta DS candidate leans on - framing, metrics, experiments, and RCA basics.
5 questions ·
0 mastered ·
0 in review
→ - 01
Define an engagement metric for a social product
Q001 Easy High freq
New - 02
A/B test lift shrinks in week 2 — what happened?
Q002 Medium High freq
New - 03
Sample Ratio Mismatch — diagnose and decide
Q003 Medium High freq
New - 04
Design a metric for a Marketplace listing-expiry notification
Q004 Medium Medium freq
New - 05
SQL — 7-day retention by signup cohort and country
Q005 Medium High freq
New