Links
What does the Mean Mean? (Matthew Roughan):
http://www.maths.adelaide.edu.au/matthew.roughan/Papers/itc18_2003a.pdf
Chapter 4
Measures of Location and Spread (P.B. Stark, UC Berkeley)
http://www.stat.berkeley.edu/~stark/SticiGui/Text/location.htm
Chapter 5
Multivariate Data and Scatterplots (P.B. Stark, UC Berkeley)
http://www.stat.berkeley.edu/~stark/SticiGui/Text/scatterplots.htm
Chapter 6:
Correlation and Association (P.B. Stark, UC Berkeley)
http://www.stat.berkeley.edu/~stark/SticiGui/Text/correlation.htm
Flaw of Averages:
http://www.youtube.com/watch?v=Oah03QcRxGY
Lecture : Sampling a Population
For All Practical Purposes - 10 - Confident Conclusions
Charles Seife: Science of Disestimation (Shortcoming of Opinion Polls)
http://www.scientificamerican.com/article.cfm?id=the-science-of-disestimation