DS検定Pass｜DS検定対策

DS Certification Pass is an unofficial learning app for smartphones that allows users to repeatedly practice data science skills, data engineering skills, value creation skills, and foundational skills in preparation for the Data Scientist Certification Literacy Level.

It includes 600 exam preparation questions based on past exam trends and publicly available exam and system information. A wide range of topics are covered, divided into four areas: statistics, probability, regression, classification, evaluation metrics, data preprocessing, visualization, SQL, data infrastructure, value creation, AI utilization, and data ethics.

■ Contents
• Data Science Skills: 220 questions
• Data Engineering Skills: 140 questions
• Value Creation Skills: 140 questions
• Foundational Skills: 100 questions

■ Target Exam
Data Scientist Certification Literacy Level
Exam Method: CBT
Exam Time: 100 minutes
Number of Questions: 100 questions
Question Format: Multiple Choice (Four Options)
Eligibility: No restrictions

■ Subject-Specific Learning
Choose the area you want to learn from the four subject areas and set the number of questions to be included: 10, 20, 100 (mock exam), or all questions. You can practice according to your purpose, such as focusing on statistics and machine learning, or reviewing SQL and data infrastructure.

■ Prioritizing Incorrect Answers
The system prioritizes questions you answered incorrectly, allowing you to repeatedly review points you don't fully understand. You can register questions you're concerned about as difficult questions and review them later. You can also check the number of answers and correct answer status for each subject area.


■ Immediate Explanation After Answering
After answering, you can check the question, all answer choices, your answer, and the correct answer. Not only can you see the reason for your correct answer, but you can also see an explanation of why the other choices are incorrect, organized by option. You can instantly review the differences between similar concepts such as mean and median, correlation and causation, precision and recall, and data lake and data warehouse.

■ 100-Question Mock Exam Mode
You can tackle 100 practice questions spanning four fields. After studying each field, you can solve a large number of questions and check the number of correct answers, the number of questions, and the accuracy rate on the results screen.

■ Record Your Learning Progress
You can check today's learning progress, performance by field, and consecutive learning days. You can continue learning by using short daily practice sessions and comprehensive reviews before the exam.

■ Main Features
• One-question-one-answer practice exercises selected from 4 fields
• Number of questions: 10, 20, 100 (mock test), and all questions
• Prioritize incorrect answers for learning
• Register and review difficult questions
• Short explanations, detailed explanations, and explanations for each option
• Display of results: number of correct answers, number of questions, and accuracy rate
• Learning progress by field
• Recording of consecutive learning days
• Three font sizes: standard, large, and extra-large
• No sign-in required

■ Free Features
• Approximately 20% of questions in each field
• Answers and correct/incorrect judgment
• Brief explanations
• Prioritize incorrect answers for learning
• Recording of consecutive learning days
• Unlock additional questions by watching ads

In the free version, watching video ads to the end allows you to add up to 5 questions at a time to fields with low unlock rates. This is limited to 3 times per day across the entire app. Added questions are added to the normal number of questions per field and can be used on subsequent days. Questions will not be added if the ad ends prematurely or fails to display.


■ Premium
• Access to all 600 questions
• Detailed explanations and answer-option explanations
• Difficulty Question Mode
• 100-Question Mock Test Mode, All Questions Mode
• Ad-free

Premium is a one-time purchase. Purchased usage rights can be restored with the same store account.

■ Recommended for:
• Those taking the DS Certification exam for the first time
• Those who want to review statistics, machine learning, and SQL from the basics
• Those who want to acquire data utilization and AI literacy
• Those who want to learn the data field after the G Certification or IT Passport
• Those who want to review in short bursts during commutes or breaks

■ Notes
This app is not an official, authorized, supervised, or affiliated app of the Data Scientist Association or other exam-administering/related organizations. It does not include official questions, official sample questions, official textbook text, official syllabus text, official PDF text, official charts, or official logos.

Content regarding statistics, machine learning, AI, personal information, copyright, security, and AI ethics is intended for general understanding for exam preparation. This service does not provide individual practical advice, legal judgments, or security assessments, nor does it guarantee passing the exam. For the latest information on exam dates, application procedures, and exam scope, please refer to the official information provided by the exam administering body.