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AP Statistics

5 units · 29 topics · 1,171 lessons · Exam: May

The College Board course revised for 2026–27: five units, from exploring and collecting data through probability, inference for proportions and means, and regression.

Start: Investigative Questions and Variables Find a tutor Exam Sprint
  1. 1Exploring One-Variable Data and Collecting Data
  2. 2Probability, Random Variables, and Probability Distributions
  3. 3Inference for Categorical Data: Proportions
  4. 4Inference for Quantitative Data: Means
  5. 5Regression Analysis
Course pathAll videos
1

Exploring One-Variable Data and Collecting Data

Asking investigative questions, describing distributions, and collecting data well.

  1. 1Investigative Questions and VariablesUp next9 lessons
  2. 2Displaying Categorical DataCoverage growing
  3. 3Describing Distributions20 lessons
  4. 4Summary Statistics and Boxplots43 lessons
  5. 5Comparing Distributions5 lessons
  6. 6Sampling Methods29 lessons
  7. 7Bias in Sampling19 lessons
  8. 8Experimental Design35 lessons
2

Probability, Random Variables, and Probability Distributions

Two-way tables, probability, random variables, and the normal and binomial distributions.

  1. 1Two-Way Tables31 lessons
  2. 2Simulation and Probability42 lessons
  3. 3Probability Rules37 lessons
  4. 4Conditional Probability and Independence33 lessons
  5. 5Random Variables54 lessons
  6. 6Binomial Distributions65 lessons
  7. 7The Normal Distribution and z-Scores48 lessons
  8. 8Sampling Distributions and the Central Limit Theorem73 lessons
3

Inference for Categorical Data: Proportions

Confidence intervals and tests for proportions, and chi-square tests.

  1. 1Sampling Distributions for Proportions28 lessons
  2. 2Confidence Intervals for Proportions58 lessons
  3. 3Significance Tests for Proportions23 lessons
  4. 4p-Values and Conclusions35 lessons
  5. 5Type I and Type II Errors and Power31 lessons
  6. 6Two-Proportion Inference14 lessons
  7. 7Chi-Square Tests for Homogeneity and Independence61 lessons
4

Inference for Quantitative Data: Means

t-intervals and t-tests for one mean, paired data, and two means.

  1. 1Sampling Distributions for MeansCoverage growing
  2. 2t-Intervals and t-Tests for a Mean27 lessons
  3. 3Two-Sample and Paired t-Procedures30 lessons
5

Regression Analysis

Scatterplots, correlation, and least-squares regression.

  1. 1Scatterplots and Correlation43 lessons
  2. 2Least-Squares Regression66 lessons
  3. 3Residuals and r-squared30 lessons