If you need to know it, it"s in this book! Cracking the AP Statistics Exam, 2013 Edition includes: ? 2 full-length practice tests with detailed answers & explanations ? Comprehensive review of essential exam material, from probability to sampling distributions to inferential statistics ? Review questions at the end of every chapter ? Step-by-step techniques for cracking each type of statistical analysis question ? Thorough walk-through of the free-response section of the exam ? Updated strategies that reflect the AP test scoring change