Frequently Asked Questions

Comfort with algebra and basic probability is enough for beginner courses. We re‑introduce key ideas with intuition first and formulas second.

Yes. Each course has modular chapters you can revisit. Estimated durations help you plan sessions like journal pages you can pick up and resume.

We provide a verifiable completion record that lists learning outcomes and project artifacts. It is not a degree but documents real skills.

Yes. We run tailored cohorts with custom cases and review sessions. Contact us to align on outcomes and timelines.

If a course isn’t a fit, request a refund within 14 days of purchase and before completing more than 25% of the content.

Both. We emphasize method first, then show practical workflows with spreadsheets and notebooks. You can apply ideas without specific vendor tools.

Ethics is integrated throughout: consent, privacy, fairness metrics, and stakeholder communication are graded deliverables, not side notes.

Yes. We practice memo writing, experiment readouts, and forecast postmortems so leadership can act on your findings.

We cover both, including pitfalls and governance for sequential testing, regret bounds intuition, and Thompson sampling trade‑offs.