About this app
Inferential Statistics is an independent study app for building confidence with estimation, testing, sampling, probability models, and statistical reasoning. Designed for students, self-learners, analysts, and anyone reviewing core inferential statistics concepts, the app turns practice into a focused daily habit. - 160 questions across Fundamentals, Practical Skills, Common Pitfalls, and Advanced Concepts - Every question includes an explanation to help you understand the reasoning - FSRS spaced-repetition intervals help bring back questions at the right time - Weak-point heatmap shows where to focus next - Daily challenge for consistent review - Mock exams for timed practice - Offline practice so you can study anywhere Practice offline, no login required. Independent study app for Inferential Statistics practice. Not affiliated with, endorsed by, or sponsored by any company, certification body, exam operator, or vendor. All trademarks belong to their respective owners.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 15, 2026 · 1:24 PM Free