stages:
- id: stage-1
  title: 'Module 1: Foundations'
  concepts:
  - descriptive-statistics
  - probability-basics
  checkpoint:
  - Summarize a small dataset.
  - Compute a simple conditional probability.
- id: stage-2
  title: 'Module 2: Bayesian Updating'
  concepts:
  - prior-and-posterior
  - capstone-mini-project
  checkpoint:
  - Compare prior and posterior beliefs.
  - Write a short project report comparing priors and posteriors.