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AP Statistics
Notes, practice questions and a test for every unit. Open a unit to see its topics.
Unit 1Exploring One-Variable Data and Collecting Data13 topics · 47 questions
- 1.1Introducing Statistics: What Can We Learn from Data?
- 1.2Variables
- 1.3Tabular Representation and Summary Statistics for One Categorical Variable
- 1.4Graphical Representations for One Categorical Variable
- 1.5Graphical Representations for One Quantitative Variable
- 1.6Descriptions for One Quantitative Variable Distributions
- 1.7Summary Statistics for One Quantitative Variable
- 1.8Graphical Representations of Summary Statistics for One Quantitative Variable
- 1.9Comparisons of the Distributions for One Quantitative Variable
- 1.10The Investigative Question Revisited and Data Collection
- 1.11Random Sampling
- 1.12Potential Problems with Sampling
- 1.13Experimental Design
Unit 2Probability, Random Variables, and Probability Distributions12 topics · 44 questions
- 2.1Tabular and Graphical Representations for the Distributions of Two Categorical Variables
- 2.2Summary Statistics for Two Categorical Variables
- 2.3Estimating Probabilities Using Simulation
- 2.4Introduction to Probability
- 2.5Mutually Exclusive Events
- 2.6Conditional Probability
- 2.7Independent Events and Unions of Events
- 2.8Introduction to Random Variables and Probability Distributions
- 2.9Parameters of Random Variables
- 2.10The Binomial Distribution
- 2.11The Normal Distribution
- 2.12Sampling Distributions and the Central Limit Theorem
Unit 3Inference for Categorical Data: Proportions15 topics · 53 questions
- 3.1Estimators
- 3.2Sampling Distributions for Sample Proportions
- 3.3Constructing a Confidence Interval for a Population Proportion
- 3.4Justifying a Claim Based on a Confidence Interval for a Population Proportion
- 3.5Setting Up a Test for a Population Proportion
- 3.6p-Values
- 3.7Carrying Out a Test for a Population Proportion
- 3.8Potential Errors When Performing Tests
- 3.9Sampling Distributions for the Difference Between Sample Proportions
- 3.10Constructing a Confidence Interval for the Difference Between Two Population Proportions
- 3.11Justifying a Claim Based on a Confidence Interval for the Difference Between Two Population Proportions
- 3.12Setting Up a Test for the Difference Between Two Population Proportions
- 3.13Carrying Out a Test for the Difference Between Two Population Proportions
- 3.14Setting Up a Chi-Square Test for Homogeneity or Independence
- 3.15Carrying Out a Chi-Square Test for Homogeneity or Independence
Unit 4Inference for Quantitative Data: Means10 topics · 38 questions
- 4.1Sampling Distributions for Sample Means
- 4.2Constructing a Confidence Interval for a Population Mean or Population Mean Difference
- 4.3Justifying a Claim Based on a Confidence Interval for a Population Mean or Population Mean Difference
- 4.4Setting Up a Test for a Population Mean or Population Mean Difference
- 4.5Carrying Out a Test for a Population Mean or Population Mean Difference
- 4.6Sampling Distributions for the Difference Between Two Sample Means
- 4.7Constructing a Confidence Interval for the Difference Between Two Population Means
- 4.8Justifying a Claim Based on a Confidence Interval for the Difference Between Two Population Means
- 4.9Setting Up a Test for the Difference Between Two Population Means
- 4.10Carrying Out a Test for the Difference Between Two Population Means