AP Statistics · Exam guides

AP Statistics Exam Guides

Free plain-language guides to the AP Statistics exam: how each section is scored, worked examples with weak and strong answers, and the mistakes that cost points. Start with the overview, then open the guide for the question you want to practice.

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• AP Statistics FRQ Guide: The Four Free-Response Questions and How They Are Scored
  The four questions, how each part is scored, the four-step habit that earns points, a worked confidence interval, and common mistakes.

Free-response and writing

• AP Statistics Inference for Proportions Explained: Intervals and Tests with a Worked Example
  Conditions, a 95 percent confidence interval, a significance test, and how to write the conclusion in context.
• AP Statistics Inference for Means Explained: The One-Sample t Test and Checking Conditions
  Checking the normal condition for small samples, a one-sample t test, and how to word the conclusion.
• AP Statistics Chi-Square Test Explained: Homogeneity and Independence with a Worked Example
  Hypotheses, expected counts, the test statistic, and the conclusion, with a worked two-treatment example.
• AP Statistics Regression Questions Explained: Interpreting Slope, r-Squared and Residuals
  Interpreting the slope and intercept, r-squared, residuals and extrapolation in context, with a worked example.

See the AP Statistics course Free lessons and lesson list All exam guides