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AP Statistics Terms

AP Statistics covers four major themes: exploring data, sampling and experimentation, probability and simulation, and statistical inference. This page links to every probability and statistics term on Mathwords to help you review. The AP Statistics exam is in May — use this as your comprehensive study reference.

Data Display & Visualization10

Histograms, box plots, scatter plots, and data visualization methods

Descriptive Statistics9

Mean, median, mode, standard deviation, variance, and measures of spread

Inequalities & Interval Notation27

Inequalities, compound inequalities, absolute value inequalities, interval notation, and complex numbers

Inference & Regression17

Linear regression, correlation, hypothesis testing, and statistical inference

Measurement, Estimation & Notation25

Measurement, scientific notation, rounding, significant digits, and mathematical notation

Precalculus Analysis & Methods11

Function analysis, advanced algebra connections, and precalculus methods

Probability & Counting16

Combinations, permutations, probability rules, and counting principles

Probability Fundamentals16

Probability rules, conditional probability, Bayes theorem, and probability calculations

Regression & Correlation9

Linear regression, correlation, least squares, and data relationships

Sequences & Series26

Arithmetic and geometric sequences, series, summation notation, and convergence

Set Theory19

Sets, set operations, Venn diagrams, and set notation

Statistics & Data Displays26

Descriptive statistics, data visualization, distributions, and sampling

All AP Statistics Terms Terms A–Z (211)

Frequently Asked Questions

What is AP Statistics about?
AP Statistics covers four themes: (1) Exploring Data — describing distributions, comparing groups, graphical displays; (2) Sampling and Experimentation — study design, surveys, experiments, bias; (3) Probability — random variables, distributions, simulation; (4) Statistical Inference — confidence intervals and hypothesis tests for means, proportions, and chi-square.
Is AP Statistics hard?
AP Statistics is generally considered less computationally demanding than AP Calculus, but it requires strong conceptual reasoning and the ability to interpret data in context. The pass rate (score 3+) is typically around 60%.
Do I need a formula sheet for AP Statistics?
Yes — the AP Statistics exam provides a formula sheet with key formulas for descriptive statistics, probability, and inference. You should still understand what each formula means and when to use it.

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