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Jul 13, 2026 · seen Sep 30, 2026
QC検定® Grade 2 Exam Prep JP is a business app by razuma with 100+ downloads (about 429 estimated). +11 installs in the last 7 days. Released Mar 23, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “A study app for the Japan QC検定® (Quality Control Certification) Grade 2 exam. Study efficiently with practice questions and detailed explanations across all 10 subjects. ■ Subjects Covered - QC Seven Tools - New QC Seven Tools - Basics of Statistical Methods - Control Charts - Process Capability Index - Sampling…”