College Board AP® Statistics Exam Questions By Topic

Measures of Center, Measures of Position, Measures of Variability, Standardized Scores, Tables & Relative Frequency, Grouped Data, Shape & Skewness of Distributions, Outliers & Resistant Measures, Five-Number Summary & Boxplots, Comparing Data using Summary Statistics

Bar Charts & Histograms, Pie Charts, Dotplots & Stemplots, Cumulative Graphs, Comparing Univariate Graphs

Introduction to Sampling, Simple Random Sampling (SRS), Random Sampling Methods, Types of Bias, Non-random (Biased) Sampling Methods

Introduction to Experiments, Well-Designed Experiments, Control Groups, Placebos & Blind Experiments, Completely Randomized Design, Randomized Block & Matched Pairs Design

Two-Way Tables & Relative Frequencies, Bar Graphs & Mosaic Plots

Estimating Probability using Relative Frequency, Probabilities of Single Events, Introduction to Combined Events, Addition Rule & Mutually Exclusive Events, Conditional Probability, Multiplication Rule & Independent Events, Probabilities of Combined Events using Tree Diagrams, Probabilities of Combined Events using the Rules

Probability Distributions for Discrete Random Variables, Cumulative Probability Distributions for Discrete Random Variables, Mean & Standard Deviation of a Discrete Random Variable

Introduction to Binomial Distributions, Probabilities for Binomial Distributions

Properties of Normal Distributions, Comparing Normal Distributions, Finding Probabilities from Normal Distributions, Inverse Normal Calculations, Estimating Parameters of Normal Distributions

Introduction to Sampling Distributions, The Central Limit Theorem

Introduction to Hypothesis Testing, Introduction to Confidence Intervals

Biased & Unbiased Estimators, Sampling Distributions for Sample Proportions, Hypothesis Tests for Population Proportions, Confidence Intervals for Population Proportions, Sampling Distributions for Differences in Sample Proportions, Hypothesis Tests for Differences in Population Proportions, Confidence Intervals for Differences in Population Proportions

Type I & Type II Errors, Probabilities of Errors, Power of a Test

The Chi-Square Distribution, Tests for Independence, Tests for Homogeneity

The t-distribution, t-scores versus z-scores, Sampling Distributions for Sample Means, Hypothesis Tests for Population Means, Confidence Intervals for Population Means, Sampling Distributions for Differences in Sample Means, Hypothesis Tests for Differences in Population Means, Confidence Intervals for Differences in Population Means, Hypothesis Tests for Differences in Matched Pairs, Confidence Intervals for Differences in Matched Pairs

Explanatory & Response Variables, Scatterplots, Association & Correlation Coefficients, Interpolation & Extrapolation using Linear Models, Residuals, The Least-Squares Regression Line, Residual Plots, The Coefficient of Determination