Susan Dean and Barbara Illowsky. Collaborative statistics. Introductory stats course without emphasis on heavy calculations http://cnx.org/contents/XgdE-Z55@40.9:LnCgyaMt@17/Preface

Gerard E. Dallal, Ph.D Gerard.Dallal@tufts.edu
The Little Handbook of Statistical Practice
Chief, Biostatistics Unit711 Washington StreetBoston, MA 02111
http://www.jerrydallal.com/LHSP/LHSP.htm

MULTIVARIATE STATISTICS:CONCEPTS, MODELS, AND APPLICATIONS

David W. Stockburger http://www.psychstat.missouristate.edu/multibook2/mlt.htm

Introduction to probability
http://www.dartmouth.edu/~chance/teaching_aids/books_articles/probability_book/amsbook.mac.pdf
This introductory probability book, published by the American Mathematical Society, is available from AMS bookshop. It has, since publication, also been available for download here in pdf format. We are pleased that this has made our book more widely available.

"Concepts and Applications of Inferential Statistics", free, full-length, and occasionally interactive statistics textbook. It is a companion site of "VassarStats: Web Site for Statistical Computation". The materials on this site may be freely used for any non-commercial educational purpose.
http://vassarstats.net/textbook/

Large list of free stats books
http://www.freebookcentre.net/SpecialCat/Free-Statistics-Books-Download.html