AP Statistics, one topic at a time
The exam is the afternoon of Tuesday, May 11, 2027: 42 multiple-choice and 4 free-response questions in 3 hr. Ashore has a short lesson for every topic in all 5 units, then practice on just that idea. Free response and mock exams follow the May 2027 format.
Exam day
May 11
2027 Tuesday · Afternoon
- 42 multiple choice · 90 min
- 4 free response · 90 min
- Scored 1 to 5
What's on the May 2027 exam
How the exam is split, how long each part runs and what you can use.
How students scored in May 2026
| Scored 5 | Scored 4 | Scored 3 | Scored 2 | Scored 1 |
|---|---|---|---|---|
| 17% | 23% | 22% | 17% | 21% |
Source: College Board score distributions. Compare all 40 AP exams
AP Statistics score calculator: enter your section results and see an estimated 1–5 score.
All 5 units
Percentages are the College Board's ranges for how much of the multiple-choice section each unit can be.
Unit 1 · 20–30%
Exploring One-Variable Data and Collecting Data
Introducing Statistics: What Can We Learn from Data? · Variables · Tabular Representation and Summary Statistics for One Categorical Variable · Graphical Representations for One Categorical Variable · Graphical Representations for One Quantitative Variable · Descriptions for One Quantitative Variable Distributions · Summary Statistics for One Quantitative Variable · Graphical Representations of Summary Statistics for One Quantitative Variable · Comparisons of the Distributions for One Quantitative Variable · The Investigative Question Revisited and Data Collection · Random Sampling · Potential Problems with Sampling · Experimental Design
Unit 2 · 15–25%
Probability, Random Variables, and Probability Distributions
Tabular and Graphical Representations for the Distributions of Two Categorical Variables · Summary Statistics for Two Categorical Variables · Estimating Probabilities Using Simulation · Introduction to Probability · Mutually Exclusive Events · Conditional Probability · Independent Events and Unions of Events · Introduction to Random Variables and Probability Distributions · Parameters of Random Variables · The Binomial Distribution · The Normal Distribution · Sampling Distributions and the Central Limit Theorem
Unit 3 · 15–25%
Inference for Categorical Data: Proportions
Estimators · Sampling Distributions for Sample Proportions · Constructing a Confidence Interval for a Population Proportion · Justifying a Claim Based on a Confidence Interval for a Population Proportion · Setting Up a Test for a Population Proportion · p-Values · Carrying Out a Test for a Population Proportion · Potential Errors When Performing Tests · Sampling Distributions for the Difference Between Sample Proportions · Constructing a Confidence Interval for the Difference Between Two Population Proportions · Justifying a Claim Based on a Confidence Interval for the Difference Between Two Population Proportions · Setting Up a Test for the Difference Between Two Population Proportions · Carrying Out a Test for the Difference Between Two Population Proportions · Setting Up a Chi-Square Test for Homogeneity or Independence · Carrying Out a Chi-Square Test for Homogeneity or Independence
Unit 4 · 10–20%
Inference for Quantitative Data: Means
Sampling Distributions for Sample Means · Constructing a Confidence Interval for a Population Mean or Population Mean Difference · Justifying a Claim Based on a Confidence Interval for a Population Mean or Population Mean Difference · Setting Up a Test for a Population Mean or Population Mean Difference · Carrying Out a Test for a Population Mean or Population Mean Difference · Sampling Distributions for the Difference Between Two Sample Means · Constructing a Confidence Interval for the Difference Between Two Population Means · Justifying a Claim Based on a Confidence Interval for the Difference Between Two Population Means · Setting Up a Test for the Difference Between Two Population Means · Carrying Out a Test for the Difference Between Two Population Means
Unit 5 · 10–20%
Regression Analysis
Graphical Representations Between Two Quantitative Variables · Correlation · Linear Regression Models · Residuals · Least-Squares Regression
How you'll study Stats
A lesson for every topic
Each one explains a single idea step by step, then checks it with a few questions.
Practice on each topic
Questions build from easy to exam level. Any you miss come back as similar ones 1, 3 and 7 days later.
Free response
Write under the exam timer, then score each answer point by point, the way an AP reader would.
Mock exams and a predicted score
Same sections, time limits and calculator rules as the May exam. Every set and mock updates your predicted 1 to 5.
Pricing
Start free, then try everything for a week
One plan opens every lesson and question for every AP course and both SAT sections. The starting check is free, and monthly and 3-month plans start with a 7-day free trial.
Recommended
Free
Find where you lose points and get a plan to test day.
$0
No card needed.
- Starting check and full report
- A study plan to your test date
- One free practice day a week: 3 lessons, 60 questions
Monthly
Every lesson and question, month to month.
$99a month
Billed monthly
$0 today, then $99 a month after 7 days, until you cancel.
Everything in Free, plus:
- Every lesson in every course
- Every practice question, no limits
- Every mistake and flashcard, every day
Every 3 months
A steady term of prep, with the SAT score guarantee.
$66a month
Save 33% vs monthly$199 every 3 months
$0 today, then $199 every 3 months after 7 days, until you cancel.
Everything in Free, plus:
- Every lesson in every course
- Every practice question, no limits
- Every mistake and flashcard, every day
Season pass
Everything through test day, in one payment.
$37a month
Save 63% vs monthly$249 once, early price · $299 from Jan 1
One payment, good through Jun 5, 2027. No trial, and it doesn't renew.
Everything in Free, plus:
- Every lesson in every course
- Every practice question, no limits
- Every mistake and flashcard, every day
- No card for the starting check
- 7-day free trial on monthly and 3-month plans, cancel anytime
- Season pass never renews
- SAT score guarantee on the 3-month plan and season pass
More in math and computer science
See where Stats is costing you points
The starting check takes about 15 minutes. Free, no card.
Starting check
SAT Math · 1 of 5
Calculator allowed
- A
- B
- C
- D



