# QC検定® Grade 1 Exam Prep JP

> Japan QC検定® Grade 1 quality control exam | Practice questions with explanations

Canonical page: [https://chrome-stats.com/d/jp.razuma.qc1study](https://chrome-stats.com/d/jp.razuma.qc1study)

## Overview

- **ID:** `jp.razuma.qc1study`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** razuma
- **Category:** BUSINESS
- **Downloads:** 54
- **Version:** 1.1
- **Last updated:** 2026-07-13
- **First published:** 2026-03-24
- **Publisher country:** JP
- **Size:** 60 MB
- **Data as of:** 2026-09-10
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=jp.razuma.qc1study)
- **Website:** [https://razuma.jp/](https://razuma.jp/)
- **Privacy policy:** [https://razuma.jp/privacy.html](https://razuma.jp/privacy.html)

## Description

A study app for the Japan QC検定® (Quality Control Certification) Grade 1 exam — the highest level. Study efficiently with practice questions and detailed explanations across all 8 subjects.<br><br>■ Subjects Covered<br>- Probability Distributions and Statistical Inference<br>- Applied Estimation and Testing<br>- Applied Design of Experiments<br>- Applied Multivariate Analysis<br>- Applied Reliability Engineering<br>- Applied Sampling Inspection<br>- Quality Control in Practice (Advanced)<br>- Promotion of Quality Management<br><br>■ Study Modes<br>- Random practice (10 / 25 / 50 / 100 questions)<br>- Study by subject<br>- All questions in order (resume supported)<br>- Review incorrect answers<br>- Bookmarks and unanswered questions<br><br>■ Progress Tracking<br>- Automatic tracking of correct answer rate<br>- Subject-by-subject performance overview<br><br>Works completely offline — study anytime, anywhere.<br><br>QC検定® is a registered trademark of the Japanese Standards Association.<br>This content has not been approved, endorsed, or otherwise reviewed by the Japanese Standards Association.

## Rankings

- #2,215,474 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.WAKE_LOCK`
- `com.amazon.privacypass.ATTEST`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.gms.permission.AD_ID`
- `jp.razuma.qc1study.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/jp.razuma.qc1study)