OpenIntro Statistics 2nd Edition
2012, 426 pages
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Click "Extra Content" on the left for more written resources, including study resources and extra sections.
Download the Second Edition PDF
Tablet-friendly PDF + individual chapter + LaTeX source
Data sets + R packages
Typos and feedback
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Reminder: the Second Edition is the newest edition.
Review files from the First Edition (2011, 380 pages)
PDF of the Preliminary Edition (2010, 256 pages)
One-page inference guide
Why do we use 0.05 for a signficance level?
Figure 1.9, enhanced
Regression for nonlinear relationships
Online distribution calculator for normal, t, chi-square
Probability tables: normal, t, and chi-square
Probability tables: source files