Statistical Methods av Cheryl Ann Willard

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<P><EM>Statistical Methods: An Introduction to Basic Statistical Concepts and Analysis</EM>, Second Edition is a textbook designed for students with no prior training in statistics. It provides a solid background of the core statistical concepts taught in most introductory statistics textbooks. Mathematical proofs are deemphasized in favor of careful explanations of statistical constructs.</P><P></P><P>The text begins with coverage of descriptive statistics such as measures of central tendency and variability, then moves on to inferential statistics. Transitional chapters on <EM>z</EM>-scores, probability, and sampling distributions pave the way to understanding the logic of hypothesis testing and the inferential tests that follow. Hypothesis testing is taught through a four-step process. These same four steps are used throughout the text for the other statistical tests presented including <EM>t</EM> tests, one- and two-way ANOVAs, chi-square, and correlation. A chapter on nonparametri