Rudolf J. Freund & William J. Wilson 
Statistical Methods [PDF ebook] 

This broad text provides a complete overview of most standard statistical methods, including multiple regression, analysis of variance, experimental design, and sampling techniques. Assuming a background of only two years of high school algebra, this book teaches intelligent data analysis and covers the principles of good data collection.* Provides a complete discussion of analysis of data including estimation, diagnostics, and remedial actions* Examples contain graphical illustration for ease of interpretation * Intended for use with almost any statistical software* Examples are worked to a logical conclusion, including interpretation of results* A complete Instructor’s Manual is available to adopters