https://www.user-growth.com/blog/ daily 0.8 https://www.user-growth.com/blog/sample-ratio-mismatch-srm-what-it-is-and-how-to-fix-a-broken-a-b-test-split 2026-08-10T16:53:58.977Z monthly 0.7 https://www.user-growth.com/blog/author/javid-jamae monthly 0.4