Release Notes

This is the second release of a free (as in speech, not as in beer, [stallman2002free]) (although it is free as in beer as well) textbook for a one-semester, undergraduate statistics course. It was created for Math 156 at Colorado State University-Pueblo in the summer semester of 2019.

Thanks are hereby offered to the students who gave many useful suggestions and found numerous typos in the previous version of this book when it was used in the spring semester of 2017. In particular, Julie Berogan has an eagle eye, and found a nearly uncountably infinite number of mistakes, both small and large – thank you!

This work is released under a CC BY-SA 4.0 license, which allows anyone who is interested to share (copy and redistribute in any medium or format) and adapt (remix, transform, and build upon this work for any purpose, even commercially). These rights cannot be revoked, so long as users follow the license terms, which require attribution (giving appropriate credit, linking to the license, and indicating if changes were made) and share-alike of derivative works (if you remix or transform this work, you must distribute your contributions under the same license as this one). See for all the details.


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Lies, Damned Lies, or Statistics, v2 by Jonathan A. Poritz is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License, except where otherwise noted.

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