NUM8ERS · AP Statistics

AP Statistics
Study Hub

Understand the data. Explain the evidence. Build your confidence with unit-by-unit study notes, worked examples and practice.

Choose a unit below, find a resource for your next study session, or get support from a NUM8ERS tutor.

2026–27 curriculum5 units55 topic lessonsNotes + examples + practice

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Start with Unit 1 if you are new to the course. For revision, choose the skill you need and attempt the lesson practice before opening the solutions.

01 · Your course

Explore all five units

Follow the units in order to build your understanding, or open the unit that matches your revision goal. Each unit page links to its topic lessons and includes a study roadmap and self-check questions.

Unit 1
Exploring One-Variable Data and Collecting Data
Learn to describe one-variable data, choose summaries, compare distributions and collect useful data through sampling and experiments.
13 topic lessons · Study roadmap · Self-checks
Explore Unit 1
Unit 2
Probability, Random Variables, and Probability Distributions
Compare categorical variables, work with probability rules, model random outcomes and understand sampling variability.
12 topic lessons · Study roadmap · Self-checks
Explore Unit 2
Unit 3
Inference for Categorical Data: Proportions
Build confidence intervals and test claims about proportions. Compare groups and use chi-square procedures for categorical data.
15 topic lessons · Study roadmap · Self-checks
Explore Unit 3
Unit 4
Inference for Quantitative Data: Means
Use sample averages to estimate and test population means. Distinguish one sample, paired observations and independent groups.
10 topic lessons · Study roadmap · Self-checks
Explore Unit 4
Unit 5
Regression Analysis
Describe relationships between quantitative variables. Interpret correlation, make predictions and evaluate a least-squares line using residuals.
5 topic lessons · Study roadmap · Self-checks
Explore Unit 5

02 · Practice and revision

Resources for your next study session

Use the notes to learn a skill, the formula reference to recall it, and released questions to practise explaining your reasoning. After a practice paper, use the score calculator to explore your performance.

Study resource

AP Statistics Score Calculator

Explore an estimated AP score from your practice results. Use it to plan where to improve; the result is a practice estimate rather than an official score.

Open Calculator

Study resource

AP Statistics Past Papers

Practise with previously released free-response questions. Check the scoring guidance and revisit the relevant topic when an explanation or condition is missing.

Explore Past Papers

Study resource

AP Statistics Cheatsheet

Open the formula sheet and booklet for a quick reference during revision. Pair each formula with its purpose, conditions and a worked example from the topic notes.

Open Cheatsheet

Using older resources? Released questions and reference guides may follow earlier unit numbering. Match the statistical skill to the current unit notes; check the scoring model used by the calculator before comparing practice scores.

03 · Learn with NUM8ERS

Get support with AP Statistics

Stuck on choosing a method, checking conditions or explaining a result? NUM8ERS offers AP tutoring with focused content review, released-question practice and feedback on exam responses.

In person in DubaiOnline across the UAEIndividual AP support

Focus on your gaps

Identify the topics that need attention and build a revision plan around your current understanding.

Strengthen your explanations

Practise free-response reasoning, review scoring guidance and learn from feedback on your answers.

Make practice purposeful

Combine topic review, timed questions and mistake analysis so each session has a clear goal.

Tell us your course year, current topic and the areas you want to work on. We can discuss the support and session options that fit your goals.

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