12 essential concepts of statistics are described in detail at GraphPad site.
There 3 free sample online chapters from this book.
Detailed Lecture notes and videos for medical and post graduate students. PDF version is available here.
Written in a very clear and concise manner about degree of freedom use in statistical tests by Ron Dotsch, Assistant Professor Social Cognition and Research Methods at Radboud University Nijmege.
Notes adapted by Anne F. Maben from “Statistics for the Social Sciences” by Vicki Sharp.
Its a compilation of lecture notes by Gerard E. Dallal, Ph.D. Recently the notes are compiled in e-book kindle format at amazon.com.
Guide on the common statistical errors.
The interactive research resource for bioscience students.
StatSoft, Inc., founded in 1984 and is now one of the largest, global providers of analytic software worldwide.
Statistics Tools for Internet and Classroom Instruction with a Graphical User Interface (SticiGui)
Mike WulderResearch Scientist
- What’s on the web? Statistics for medical students
- Estimating with samples
- Medical statistics: Testing hypotheses
- Summarizing information
- Measuring chances: Wai-Ching Leung explains odds and probabilities
- Why and when do we need medical statistics?
- Making sense of quantitative data
By the Johns Hopkins Bloomberg School of Public Health