If you're studying for AP Statistics, you're going to want the guide to getting the best score you can. Barron's 'AP Statistics, 8th Edition includes proven techniques from the test-prep experts with Barron's Essential 5. Nine full-length practice tests with answer keys and explanations including one diagnostic test, and one online practice test. Covers all relevant AP Statistic topics. 600 pages, softcover. Eighth Edition.