GMAT Official Guide Data Insights Review 2025-2026: Includes Book + Online Question Bank + Digital Flashcards + Mobile App The GMAT Official Guide Data Insights Review provides focused practice to master the data insights section of the exam with over 275 practice questions that are not included in the main Official Guide 2024-2025. Designed by the makers of the GMAT exam, the GMAT Official Guide series is the only study guide that features real exam questions. Use this guide to: Master the data insights section of the examFamiliarize yourself with data analysis concepts through the updated review chapterGrow your confidence with the data insights questionsReview detailed explanations to understand correct and incorrect answersPractice with two-part analysis questionsGet exclusive exam preparation tips from the creators of the GMAT and Test Prep Organizations  BONUS with your purchase!  Focus your studying with the Online Question Bank. Tailor your practice by building practice sets targeting question type and difficultyDiscover your strengths and weaknesses with diagnostic quizzesTrack your focus areas and progress with key metricsReinforce concepts with engaging gamesChallenge yourself with timed practiceUse digital flashcards to master key concepts, also accessible on the mobile app The Online Question Bank is accessible through your mba.com account.