College Board-Aligned
AP Statistics
This page follows the current official College Board course outline. Each unit/topic links to original local notes built for studying, practice, and review.
Course Snapshot
9
official units
43
linked topics/skills
Alignment Sources
Units & Topics
Unit 1: Exploring One-Variable Data
On the AP exam: 15%-23% of Score.
- Unit 1 Topic 1: Variation in categorical and quantitative variables Original Notes
- Unit 1 Topic 2: Representing data using tables or graphs Original Notes
- Unit 1 Topic 3: Calculating and interpreting statistics Original Notes
- Unit 1 Topic 4: Describing and comparing distributions of data Original Notes
- Unit 1 Topic 5: The normal distribution Original Notes
Unit 2: Exploring Two-Variable Data
On the AP exam: 5%-7% of Score.
- Unit 2 Topic 1: Comparing representations of 2 categorical variables Original Notes
- Unit 2 Topic 2: Calculating statistics for 2 categorical variables Original Notes
- Unit 2 Topic 3: Representing bivariate quantitative data using scatter plots Original Notes
- Unit 2 Topic 4: Describing associations in bivariate data and interpreting correlation Original Notes
- Unit 2 Topic 5: Linear regression models Original Notes
- Unit 2 Topic 6: Residuals and residual plots Original Notes
- Unit 2 Topic 7: Departures from linearity Original Notes
Unit 3: Collecting Data
On the AP exam: 12%-15% of Score.
- Unit 3 Topic 1: Planning a study Original Notes
- Unit 3 Topic 2: Sampling methods Original Notes
- Unit 3 Topic 3: Sources of bias in sampling methods Original Notes
- Unit 3 Topic 4: Designing an experiment Original Notes
- Unit 3 Topic 5: Interpreting the results of an experiment Original Notes
Unit 4: Probability, Random Variables, and Probability Distributions
On the AP exam: 10%-20% of Score.
- Unit 4 Topic 1: Using simulation to estimate probabilities Original Notes
- Unit 4 Topic 2: Calculating the probability of a random event Original Notes
- Unit 4 Topic 3: Random variables and probability distributions Original Notes
- Unit 4 Topic 4: The binomial distribution Original Notes
- Unit 4 Topic 5: The geometric distribution Original Notes
Unit 5: Sampling Distributions
On the AP exam: 7%-12% of Score.
- Unit 5 Topic 1: Variation in statistics for samples collected from the same population Original Notes
- Unit 5 Topic 2: The central limit theorem Original Notes
- Unit 5 Topic 3: Biased and unbiased point estimates Original Notes
- Unit 5 Topic 4: Sampling distributions for sample proportions Original Notes
- Unit 5 Topic 5: Sampling distributions for sample means Original Notes
Unit 6: Inference for Categorical Data: Proportions
On the AP exam: 12%-15% of Score.
- Unit 6 Topic 1: Constructing and interpreting a confidence interval for a population proportion Original Notes
- Unit 6 Topic 2: Setting up and carrying out a test for a population proportion Original Notes
- Unit 6 Topic 3: Interpreting a p-value and justifying a claim about a population proportion Original Notes
- Unit 6 Topic 4: Type I and Type II errors in significance testing Original Notes
- Unit 6 Topic 5: Confidence intervals and tests for the difference of 2 proportions Original Notes
Unit 7: Inference for Quantitative Data: Means
On the AP exam: 10%-18% of Score.
- Unit 7 Topic 1: Constructing and interpreting a confidence interval for a population mean Original Notes
- Unit 7 Topic 2: Setting up and carrying out a test for a population mean Original Notes
- Unit 7 Topic 3: Interpreting a p-value and justifying a claim about a population mean Original Notes
- Unit 7 Topic 4: Confidence intervals and tests for the difference of 2 population means Original Notes
Unit 8: Inference for Categorical Data: Chi-Square
On the AP exam: 2%-5% of Score.
- Unit 8 Topic 1: The chi-square test for goodness of fit Original Notes
- Unit 8 Topic 2: The chi-square test for homogeneity Original Notes
- Unit 8 Topic 3: The chi-square test for independence Original Notes
- Unit 8 Topic 4: Selecting an appropriate inference procedure for categorical data Original Notes
Unit 9: Inference for Quantitative Data: Slopes
On the AP exam: 2%-5% of Score.
Notes
Original EduCompanion Notes
These local notes follow the current College Board AP Statistics unit/topic list.
Unit 1: Exploring One-Variable Data
Unit 1 Topic 1: Variation in categorical and quantitative variables
Open College Board-aligned original notes
Unit 1 Topic 2: Representing data using tables or graphs
Open College Board-aligned original notes
Unit 1 Topic 3: Calculating and interpreting statistics
Open College Board-aligned original notes
Unit 1 Topic 4: Describing and comparing distributions of data
Open College Board-aligned original notes
Unit 1 Topic 5: The normal distribution
Open College Board-aligned original notes
Unit 2: Exploring Two-Variable Data
Unit 2 Topic 1: Comparing representations of 2 categorical variables
Open College Board-aligned original notes
Unit 2 Topic 2: Calculating statistics for 2 categorical variables
Open College Board-aligned original notes
Unit 2 Topic 3: Representing bivariate quantitative data using scatter plots
Open College Board-aligned original notes
Unit 2 Topic 4: Describing associations in bivariate data and interpreting correlation
Open College Board-aligned original notes
Unit 2 Topic 5: Linear regression models
Open College Board-aligned original notes
Unit 2 Topic 6: Residuals and residual plots
Open College Board-aligned original notes
Unit 2 Topic 7: Departures from linearity
Open College Board-aligned original notes
Unit 3: Collecting Data
Unit 3 Topic 1: Planning a study
Open College Board-aligned original notes
Unit 3 Topic 2: Sampling methods
Open College Board-aligned original notes
Unit 3 Topic 3: Sources of bias in sampling methods
Open College Board-aligned original notes
Unit 3 Topic 4: Designing an experiment
Open College Board-aligned original notes
Unit 3 Topic 5: Interpreting the results of an experiment
Open College Board-aligned original notes
Unit 4: Probability, Random Variables, and Probability Distributions
Unit 4 Topic 1: Using simulation to estimate probabilities
Open College Board-aligned original notes
Unit 4 Topic 2: Calculating the probability of a random event
Open College Board-aligned original notes
Unit 4 Topic 3: Random variables and probability distributions
Open College Board-aligned original notes
Unit 4 Topic 4: The binomial distribution
Open College Board-aligned original notes
Unit 4 Topic 5: The geometric distribution
Open College Board-aligned original notes
Unit 5: Sampling Distributions
Unit 5 Topic 1: Variation in statistics for samples collected from the same population
Open College Board-aligned original notes
Unit 5 Topic 2: The central limit theorem
Open College Board-aligned original notes
Unit 5 Topic 3: Biased and unbiased point estimates
Open College Board-aligned original notes
Unit 5 Topic 4: Sampling distributions for sample proportions
Open College Board-aligned original notes
Unit 5 Topic 5: Sampling distributions for sample means
Open College Board-aligned original notes
Unit 6: Inference for Categorical Data: Proportions
Unit 6 Topic 1: Constructing and interpreting a confidence interval for a population proportion
Open College Board-aligned original notes
Unit 6 Topic 2: Setting up and carrying out a test for a population proportion
Open College Board-aligned original notes
Unit 6 Topic 3: Interpreting a p-value and justifying a claim about a population proportion
Open College Board-aligned original notes
Unit 6 Topic 4: Type I and Type II errors in significance testing
Open College Board-aligned original notes
Unit 6 Topic 5: Confidence intervals and tests for the difference of 2 proportions
Open College Board-aligned original notes
Unit 7: Inference for Quantitative Data: Means
Unit 7 Topic 1: Constructing and interpreting a confidence interval for a population mean
Open College Board-aligned original notes
Unit 7 Topic 2: Setting up and carrying out a test for a population mean
Open College Board-aligned original notes
Unit 7 Topic 3: Interpreting a p-value and justifying a claim about a population mean
Open College Board-aligned original notes
Unit 7 Topic 4: Confidence intervals and tests for the difference of 2 population means
Open College Board-aligned original notes
Unit 8: Inference for Categorical Data: Chi-Square
Unit 8 Topic 1: The chi-square test for goodness of fit
Open College Board-aligned original notes
Unit 8 Topic 2: The chi-square test for homogeneity
Open College Board-aligned original notes
Unit 8 Topic 3: The chi-square test for independence
Open College Board-aligned original notes
Unit 8 Topic 4: Selecting an appropriate inference procedure for categorical data
Open College Board-aligned original notes
Unit 9: Inference for Quantitative Data: Slopes
Unit 9 Topic 1: Confidence intervals for the slope of a regression model
Open College Board-aligned original notes
Unit 9 Topic 2: Setting up and carrying out a test for the slope of a regression model
Open College Board-aligned original notes
Unit 9 Topic 3: Selecting an appropriate inference procedure
Open College Board-aligned original notes
Shared Google Drive Notes
No shared Google Drive notes are currently mapped for this course. Local original notes are still available above.
Practice Questions
Each note page includes a quick practice prompt. Use these unit practice cards to review the same way AP questions ask you to apply ideas, evidence, and reasoning.
Unit 1 Practice
Use the linked notes for Exploring One-Variable Data to answer AP-style prompts, then check your explanation against the official topic list.
- Define the most important concept from this unit.
- Apply it to a scenario, graph, source, passage, or data table.
- Explain the reasoning that connects evidence to the answer.
Unit 2 Practice
Use the linked notes for Exploring Two-Variable Data to answer AP-style prompts, then check your explanation against the official topic list.
- Define the most important concept from this unit.
- Apply it to a scenario, graph, source, passage, or data table.
- Explain the reasoning that connects evidence to the answer.
Unit 3 Practice
Use the linked notes for Collecting Data to answer AP-style prompts, then check your explanation against the official topic list.
- Define the most important concept from this unit.
- Apply it to a scenario, graph, source, passage, or data table.
- Explain the reasoning that connects evidence to the answer.
Unit 4 Practice
Use the linked notes for Probability, Random Variables, and Probability Distributions to answer AP-style prompts, then check your explanation against the official topic list.
- Define the most important concept from this unit.
- Apply it to a scenario, graph, source, passage, or data table.
- Explain the reasoning that connects evidence to the answer.
Study Guides
Use this as a unit review index. Open each unit, work through the topic notes, then return here to move to the next unit.
Unit 1: Exploring One-Variable Data
5 topics to review, 15%-23% of Score
Unit 2: Exploring Two-Variable Data
7 topics to review, 5%-7% of Score
Unit 3: Collecting Data
5 topics to review, 12%-15% of Score
Unit 4: Probability, Random Variables, and Probability Distributions
5 topics to review, 10%-20% of Score
Unit 5: Sampling Distributions
5 topics to review, 7%-12% of Score
Unit 6: Inference for Categorical Data: Proportions
5 topics to review, 12%-15% of Score
Unit 7: Inference for Quantitative Data: Means
4 topics to review, 10%-18% of Score
Unit 8: Inference for Categorical Data: Chi-Square
4 topics to review, 2%-5% of Score
Unit 9: Inference for Quantitative Data: Slopes
3 topics to review, 2%-5% of Score