AP Statistics Premium, 2025: 9 Practice Tests + Comprehensive Review + Online Practice (Barron's AP Prep)

Be prepared for exam day with Barron's. Trusted content from AP experts! Barron's AP Statistics Premium, 2025 includes in‐depth content review and online practice. It's the only book you'll need to be prepared for exam day. Written by Experienced Educators • Learn from Barron's‐‐all content is written and reviewed by AP experts • Build your understanding with comprehensive review tailored to the most recent exam • Get a leg up with tips, strategies, and study advice for exam day‐‐it's like having a trusted tutor by your side Be Confident on Exam Day • Sharpen your test‐taking skills with 9 full‐length practice tests‐‐6 in the book, including a diagnostic test to target your studying, and 3 more online–plus detailed answer explanations for all questions • Strengthen your knowledge with in‐depth review, including hundreds of examples and worked out solutions, covering all Units on the AP Statistics Exam • Reinforce your learning with 29 quizzes throughout the book that feature hundreds of multiple-choice and free-response practice questions • Boost your confidence by reviewing key reminders and pitfalls to avoid on test day, advice on selecting the appropriate inference procedure, guidance on calculator usage, and much more Online Practice • Continue your practice with 3 full‐length practice tests on Barron's Online Learning Hub • Simulate the exam experience with a timed test option • Deepen your understanding with detailed answer explanations and expert advice • Gain confidence with scoring to check your learning progress Cover Page Title Page Copyright Page Table of Contents How to Use This Book Barron’s Essential 5 Exam Overview PART 1: DIAGNOSTIC TEST Diagnostic Test Answer Explanations AP Score for the Diagnostic Test Study Guide for the Diagnostic Test Multiple-Choice Questions PART 2: UNITS REVIEW UNIT 1: Exploring One-Variable Data Categorical Variables Representing a Quantitative Variable with Tables and Graphs Describing the Distribution of a Quantitative Variable Quiz 1 Summary Statistics for a Quantitative Variable Graphical Representations of Summary Statistics Comparing Distributions of a Quantitative Variable Quiz 2 The Normal Distribution Quiz 3 Summary UNIT 2: Exploring Two-Variable Data Two Categorical Variables Quiz 4 Two Quantitative Variables Correlation Least Squares Regression Residuals Outliers, Influential Points, and Leverage More on Regression Transformations to Achieve Linearity Quiz 5 Quiz 6 Summary UNIT 3: Collecting Data Retrospective Versus Prospective Observational Studies Bias Sampling Methods Sampling Variability Quiz 7 Experiments Versus Observational Studies The Language of Experiments Replication and Generalizability of Results Inference and Experiments Quiz 8 Use Correct Terminology! Summary UNIT 4: Probability, Random Variables, and Probability Distributions The Law of Large Numbers Basic Probability Rules Multistage Probability Calculations Quiz 9 Random Variables, Means (Expected Values), and Standard Deviations Means and Variances for Sums and Differences of Random Variables Transforming Random Variables Quiz 10 Binomial Distribution Geometric Distribution Quiz 11 Cumulative Probability Distribution Summary UNIT 5: Sampling Distributions Normal Distribution Calculations Quiz 12 Central Limit Theorem Biased and Unbiased Estimators Sampling Distribution for Sample Proportions Sampling Distribution for Differences in Sample Proportions Sampling Distribution for Sample Means Sampling Distribution for Differences in Sample Means Simulation of a Sampling Distribution Quiz 13 Summary UNIT 6: Inference for Categorical Data: Proportions The Meaning of a Confidence Interval Conditions for Inference Confidence Interval for a Proportion Quiz 14 Quiz 15 Logic of Significance Testing Significance Test for a Proportion Confidence Interval for the Difference of Two Proportions Significance Test for the Difference of Two Proportions Quiz 16 Quiz 17 Summary UNIT 7: Inference for Quantitative Data: Means The t-Distribution Confidence Interval for a Mean Quiz 18 Significance Test for a Mean Confidence Interval for the Difference of Two Means Significance Test for the Difference of Two Means Paired Data Quiz 19 Simulations and P-Values Quiz 20 More on Power, Type I Errors, and Type II Errors Quiz 21 Confidence Intervals Versus Hypothesis Tests Summary UNIT 8: Inference for Categorical Data: Chi-Square Chi-Square Test for Goodness-of-Fit Chi-Square Test for Independence Chi-Square Test for Homogeneity Quiz 22 Summary UNIT 9: Inference for Quantitative Data: Slopes Sampling Distribution for the Slope Confidence Interval for the Slope of a Least Squares Regression Line Hypothesis Test for Slope of Least Squares Regression Line Quiz 23 Quiz 24 Summary PART 3: FINAL REVIEW Final Review Selecting an Appropriate Inference Procedure Quiz 25 Quiz 26 Statistical Insights into Social Issues Quiz 27 Quiz 28 The Investigative Task: Free-Response Question 6 Quiz 29 50 Misconceptions 50 Common Errors on the AP Exam 50 AP Exam Hints, Advice, and Reminders PART 4: PRACTICE TESTS Practice Test 1 Answer Explanations Practice Test 2 Answer Explanations Practice Test 3 Answer Explanations Practice Test 4 Answer Explanations PART 5: APPENDICES Appendices Graphical Displays Guide to Inference Templates Answer Explanations for Quizzes 1–29 Formulas Given on the AP Statistics Exam AP Scoring Guide Table A: Standard Normal Probabilities Table B: t-Distribution Critical Values Table C: χ2 Critical Values Be prepared for exam day with Barrons. Trusted content from AP experts! Barrons AP Statistics Premium, 2025 includes indepth content review and online practice. Its the only book youll need to be prepared for exam day.Written by Experienced Educators Learn from Barronsall content is written and reviewed by AP expertsBuild your understanding with comprehensive review tailored to the most recent examGet a leg up with tips, strategies, and study advice for exam dayits like having a trusted tutor by your side Be Confident on Exam Day Sharpen your testtaking skills with 9 fulllength practice tests 6 in the book, including a diagnostic test to target your studying, and 3 more onlineplus detailed answer explanations for all questionsStrengthen your knowledge with indepth review, including hundreds of examples and worked out solutions, covering all Units on the AP Statistics ExamReinforce your learning with 29 quizzes throughout the book that feature hundreds of multiple-choice and free-response practice questions Boost your confidence by reviewing key reminders and pitfalls to avoid on test day, advice on selecting the appropriate inference procedure, guidance on calculator usage, and much more Online Practice Continue your practice with 3 fulllength practice tests on Barrons Online Learning HubSimulate the exam experience with a timed test optionDeepen your understanding with detailed answer explanations and expert adviceGain confidence with scoring to check your learning progress