Explanations for every question
Check the reasoning and related knowledge after answering.
Japan Statistics Certification Grade 2 & 3 exam preparation
500 free original practice questions for Japan Statistics Certification Grade 2 and Grade 3, with topic drills and CBT-style mock exams.
Start studyingThese are original study questions based on publicly available exam scopes and official materials, not reproductions of official exam questions.
Choose the number of questions and practice randomly from the question bank.
Focus on the subjects and areas you want to review.
Practice under exam-style conditions and review your results afterward.
2級では1変数・多変数データ、確率、標本分布、推定、仮説検定、カイ二乗検定、線形モデルや実験計画などを体系的に確認します。計算手順だけでなく、確率モデルの前提、推定量や検定統計量の意味、結果の解釈まで一連の流れとして整理し、CBTで迷いやすい条件の違いを反復して確認しましょう。
Check the reasoning and related knowledge after answering.
Narrow your study to the subjects and areas that need attention.
Use today’s review and weak-area practice to revisit missed questions.
Answer history and review progress are stored locally in your browser.
Select the subject or area you want to practice.
Choose difficulty and question count when available.
Read the explanation after answering and revisit mistakes.
| Subjects | the main domains in the official exam scope |
|---|---|
| Questions | 340 questions |
| Question format | Original multiple-choice practice questions |
| Study modes | Normal study / Today’s review / Weak-area practice / Mock exam |
| Question sets | 1 sets |
| Official website | Check the latest exam information on the official website |
Exam rules, schedules and official materials may change. Check the latest official information before taking the exam.
Yes. The original practice questions on this site are free to use without registration.
No. They are independently created study questions based on publicly available exam scopes and official information.
Start with subject-based practice, then use review and weak-area practice. Use mock exams to check overall readiness.
Use the official website for the latest schedule, eligibility, exemptions, rules and other official information.
This is an unofficial study tool and is not affiliated with the organization that administers the exam. Content may not always reflect the latest rules, so confirm important details with official sources.
Unofficial practice questions for exam preparation.