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Statistics in a Nutshell, 2nd Edition
book

Statistics in a Nutshell, 2nd Edition

by Sarah Boslaugh
November 2012
Beginner content levelBeginner
594 pages
19h 6m
English
O'Reilly Media, Inc.
Content preview from Statistics in a Nutshell, 2nd Edition

Appendix F. Glossary of Statistical Terms

One challenge in any profession is learning the specific vocabulary required. This appendix provides a quick guide to key terms and notation used in this book; statistical vocabulary is covered in far greater detail in reference books such as The Cambridge Dictionary of Statistics (Cambridge University Press, 2010) and The Concise Encyclopedia of Statistics (Springer, 2008).

The Greek alphabet

Figure F-1. The Greek alphabet

Statistical notation
Statistical notation
Statistical notation

Figure F-2. Statistical notation

Absolute value

The numerical value of a number, disregarding its sign; the absolute values of −4 and 4 are both 4. Using notation: |−4| = |4| = 4.

Alpha (α)

In experimental design, the probability of a Type I error, that is, the probability of rejecting the null hypothesis when it is true.

A priori hypothesis

A hypothesis specified before any testing is done.

Beta (β)

In experimental design, the probability of a Type II error, that is, the probability of failing to reject the null hypothesis when it is false. 1 − β = power.

Bias

Error that is systematic and might lead to incorrect interpretation of results.

Binary variables ...
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Publisher Resources

ISBN: 9781449361129Errata Page