Pricing
Sign in
Themes
Variation and Distribution
Uncertainty and Variation
Data-Based Predictions, Decisions, and Conclusions
AP Statistics
01
Exploring One-Variable Data
Build the vocabulary that every later unit borrows without explaining it again.
15–23% of your score
02
Exploring Two-Variable Data
Learn to describe, model, and critique relationships between two variables.
5–7% of your score
03
Collecting Data
Determines which claims your data can legally make. Design before analysis.
12–15% of your score
04
Probability, Random Variables, and Probability Distributions
The math behind chance, the engine that makes every inference procedure work.
10–20% of your score
05
Sampling Distributions
Explains why inference works, so your procedures mean something.
7–12% of your score
06
Inference for Categorical Data: Proportions
Build the full inference cycle using proportions as your first test family.
12–15% of your score
07
Inference for Quantitative Data: Means
Extends inference to means by introducing the t-distribution and two-sample procedures.
10–18% of your score
08
Inference for Categorical Data: Chi-Square
Chi-square completes categorical inference by testing whole distributions, not just single proportions.
2–5% of your score
09
Inference for Quantitative Data: Slopes
Regression goes inferential: test whether the slope is real, not just visible.
2–5% of your score