 Scatterplots
 Introduction to Pearson's Correlation
 Computational formula for Pearson's Correlation
 Example values of r
 Effect of restricted range on Pearson's Correlation
 Effect of linear transformations on Pearson's
Correlation
 Spearman's rho
 Exercises


Analysis
Tools
Analysis
Lab
by David Lane and Joan Lu
JavaStat
by John Pezzullo
VassarStats
by Richard Lowry
Correlation
coefficient, Rank
correlation coefficient
by IFA services
Instructional Demos
Components
of r
by David Lane and Joan Lu
Regression
by eye
by David Lane and Joan Lu
Restriction
of range
by David Lane and Joan Lu
Reliability
and regression analysis
by David Lane and Joan Lu
Linear fit demo
by David Lane and Joan Lu
Linear
regression
by Charles Stanton
Scatterplots
by P. B. Stark
Regression
applet
by Webster West
Several flash
demos
by Juha Puranen
Many java demos
by
Stefan Michiels and Bert Raeymaekers
Text
Correlation
and association
by P. B. Stark
Correlation
(PDF)
by B. Gerstman
Bivariate
data
by H. J. Newton, J. H. Carroll, N. Wang, and D. Whiting
Scatterplots,
Correlation
part 1, Correlation
part 2
by Keith Dear
Correlation
by David Stockburger
Correlation
by G. David Garson
Correlation
coefficient
by Will Hopkins of the University of Otago 
Correlation
and Dependence
by Dominique Drouet Mari and Samuel Kotz
Statistics
for the Utterly Confused
by Lloyd Jaisingh
Forgotten
Statistics : A SelfTeaching Refresher Course
by Jeffrey Clark
Chances
Are : The Only Statistics Book You'll Ever Need
by Stephen Slavin
The
Cartoon Guide to Statistics
by Larry Gonick and Woollcott Smith
Schaum's
Outline of Theory and Problems of Elements of Statistics I: Descriptive
Statistics and Probability
by Stephen Bernstein and Ruth Bernstein
Statistics
the Easy Way
by Douglas Downing and Jeffrey Clark (Contributor)
Statistics
You Can't Trust : A Friendly Guide to Clear Thinking About Statistics
in Everyday Life
by Stephen Kent Campbell, Steve Campbell, Mark V. Hall (Illustrator)
Statistics
: Cliffs Quick Review
by David H. Voelker, Peter Z. Orton 