Advanced High School Statistics
AHSS is designed to align with the AP® Statistics curriculum and is widely used in high school and 2 year colleges
Book options and key resources
Earlier edition PDFs are available through the first PDF link in "extras" after checkout (including when setting the price to $0). The 3rd Edition link is also temporarily available below for quick access, and it will remain available for free through the Leanpub indefinitely. For print versions of earlier books, we encourage purchasing used copies through third parties, when available, and we also offer direct sales to high schools on openintro.org/store.
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FREE -- Advanced High School Statistics PDF (4th Edition)
If you want to skip the optional contribution, set the price to $0
FREE -- 4th Edition PDF for High School Students
Direct downloadlink for high school students
$25 -- B&W paperback (4th Edition)
Released in February 2026. Will become main linked edition in mid June.
$40 -- Full-color paperback (4th Edition)
Released in February 2026. Will become main linked edition in mid June.
FREE -- 4th Edition PDF Best for Screen Readers
Extra text to ease aid navigation and "alt text" for all images
Bookstore & high school discount options for bulk orders
Wholesale purchase options are available to bookstores and high schools
AP® Stats curriculum and AHSS4 content alignment
For use with Advanced High School Statistics (4th Ed) textbook
FREE - 3rd Edition PDF for High School Students
Direct download for high school students
$25 -- B&W paperback (3rd Edition)
Released in May 2022
FREE -- 3rd Edition PDF Best for Screen Readers
Extra text to ease aid navigation and "alt text" for all images
Teachers: General Resources
Resources for teachers, some of which are restricted to Verified Teachers only. Slides, labs, and other resources may also be found in the corresponding chapter sections below.
Learn about Teacher Verification
Benefits, options to apply, and the verification process
Request a textbook desk copy (US only)
Available to Verified Teachers, click here to apply for access
Adv. HS Statistics (4th Ed) exercise solutions
Available to Verified Teachers, click here to apply for access
Adv. HS Statistics (3rd Ed) exercise solutions
Available to Verified Teachers, click here to apply for access
Bookstore Ordering (bulk)
Wholesale purchase options
MyOpenMath: online course software
Free course software, OpenIntro course templates are available
MyOpenMath: setting up an OpenIntro course
Course templates exist for some OpenIntro books
Multiple choice exam question bank (RExams)
Available to Verified Teachers, click here to apply for access
Adv HS Statistics, info on past editions
Content, prices, and availability details
Teachers page with additional resources
Some public resources, others restricted to Verified Teachers
Feedback, known typos, and data sets
Send feedback or report a typo
We appreciate feedback, both positive and negative
List of known textbook typos (4th Edition)
Review textbook typos and clarifications
Data sets
List of data sets and the option to download files
Where to find more data sets
An incredible list of data organized by Shonda Kuiper
Technology Guides
Desmos commands guide
NumWorks graphing calculator guide
Video guide: Casio fx-9750GII
Playlist covering all intro statistics topics for this calculator
Video guide: TI-83 and TI-84
Playlist for all intro statistics topics for both calculators
Casio fx-9750GII graphing calculator guide
Written guide covering intro statistics functionality
TI-83 / TI-84 graphing calculator guide
Written guide covering intro statistics functionality
R commands guide
What is Statistics?
These resources give a taste of what statisticians, also known as data scientists, do in the real world.
Videos about applying Statistics
Explore Statistics applications through these short videos!
Chapter 1: Exploring one-variable data and collecting data
Videos for this chapter
Slides for this chapter
Google Slides
Weighted mean
Supplemental section: How and when to use weighting
Lab - Intro to Statistical Software
Software: R (Base), R (Tidyverse), Rguroo, Jamovi, JASP, SAS, Stata
Lab - Introduction to data
Software: R (Base), R (Tidyverse), Rguroo, Jamovi, JASP, Python, SAS, Stata
Chapter 2: Probability, random variables, and probability distributions
Videos for this chapter
Slides for this chapter
Google Slides
Normal distribution calculator
Online tool for normal distribution calculations
Lab - Probability
Software: R (Base), R (Tidyverse), Rguroo, Jamovi, JASP, Python, SAS, Stata
Lab - Normal distribution
Software: R (Base), R (Tidyverse), Rguroo, Jamovi, JASP, Python, SAS, Stata
Chapter 3: Inference for categorical data: proportions
Videos for this chapter
Slides for this chapter
Google Slides
Why do we use 0.05 as a significance level?
Inquiring minds want to know -- let's explore!
Inference Guide, filled out
Useful reference for AP Statistics
Lab - Intro to inference
Software: R (Base), R (Tidyverse), Rguroo, Jamovi, JASP, Python, SAS, Stata
Lab - Confidence levels
Software: R (Base), R (Tidyverse), Rguroo, Jamovi, JASP, Python, SAS, Stata
Lab - Inference for categorical data
Software: R (Base), R (Tidyverse), Rguroo, Jamovi, JASP, Python, SAS, Stata
Online app for Central Limit Theorem for proportions
This is a Shiny app for exploration
Chapter 4: Inference for numerical data: means
Videos for this chapter
Slides for this chapter
Google Slides
Lab - Inference for numerical data
Software: R (Base), R (Tidyverse), Rguroo, Jamovi, JASP, Python, SAS, Stata
Chapter 5: Regression analysis
Videos for this chapter
Slides for this chapter
Google Slides
Lab - Linear regression
Software: R (Base), R (Tidyverse), Rguroo, Jamovi, JASP, Python, SAS, Stata
3rd Edition Resources
Resources built and organized for the 3rd Edition of the textbook. Note: the video section numbers listed for videos below (after expanding) match the 4th Edition, but the order below matches the 3rd Edition.
Videos for the 3rd Edition
Click to expand and show a list of recommended videos
Slides for the 3rd Edition
Click to expand and show slides for each section
More Student Resources
Worked exercise examples (video)
Playlist of a collection of worked exercises
Desmos Activities
Custom activities aligned with the AHSS textbook
Tableau data exploration
Custom visualizations aligned with the AHSS textbook
Quizlet sets
Custom built for AHSS
Distribution calculators
Covers the normal, t, and chi-square distributions
Probability tables
Covers the normal, t, and chi-square distributions
Course Resources
AHSS3 section and chapter summaries
Content is excerpted from the textbook
MyOpenMath: online course software
Free course software, OpenIntro course templates are available
MyOpenMath: setting up an OpenIntro course
Course templates exist for some OpenIntro books
AHSS LaTeX source files
Leads to the Github repository
Why the term "Data Science" is so confusing
The two main types of data scientists: Analysis and Building
Skew The Script
Lessons motivated by relevant and real world data
More Free Books
Beyond the set of textbooks we offer on openintro.org, many other authors have made their books publicly available. The links below go to the places where these other authors posted their books for free for anyone.
Practical Regression and ANOVA using R
Related publisher title: Linear Models with R
A First Course in Design and Analysis of Experiments
Includes supplemental resources
An Introduction to Statistical Learning
Physical copies are about $80
Elements of Statistical Learning
Physical copies are about $90
Introduction to Probability
Physical copies are about $60
Think Stats
Physical copies are about $30
Collaborative Statistics on CNX.org
Physical copies are about $30 on Lulu
CK-12 Probability and Statistics
CK-12 offers many open-source textbooks
Introduction to Statistical Thought
Upper division or intro grad level
Introduction to Probability and Statistics Using R
Available on R-Forge
Online Statistics Education
An Interactive Multimedia Course of Study
Introduction to Statistical Thinking
With R, Without Calculus
Topics Beyond AP Stats
Hypothesis testing for small sample proportions
Supplemental section: When the success-failure condition fails
Sample size and power (one-sample)
Supplemental section: on power in the one-sample scenario
Analysis of Variance (ANOVA)
From Section 7.5 of OpenIntro Statistics
Intro to ANOVA
Key concepts and ideas
Conditions for ANOVA
How to check if ANOVA is reasonable
Multiple comparisons
How we determine which groups are different
Slides - Comparing many means with ANOVA
Google Slides version, can export to Powerpoint
More inference for linear regression
Supplemental section: Confidence and prediction intervals
Regression for nonlinear relationships
Supplemental section: When a straight line doesn't make sense
Multiple Regression
See Chapter 9 of OpenIntro Statistics
Multiple regression basics
Using many predictors in a single model
Model selection
How to determine which variables to keep in the model
Checking conditions using graphs
Several key graphs to assessing a multiple regression model
Slides - Intro to multiple regression
Google Slides version, can export to Powerpoint
Slides - Model selection
Google Slides version, can export to Powerpoint
Slides - Checking model conditions using graphs
Google Slides version, can export to Powerpoint
Interaction terms
Supplemental section: When predictors impact outcomes in complex ways