http://www.consumerfinance.gov/complaintdatabase/ -- credit card complaints and how companies are dealing with them.
http://afni.nimh.nih.gov/pub/dist/HOWTO/howto/ht05_group/html/background_ANOVA.shtml --interested in ANOVA? great place to start and wrap thine head around it.
http://www.stats.bris.ac.uk/R/doc/contrib/refcard.pdf : everyone could use a 'r'eference card . . .
http://d3js.org/ make your data pretty.
Useful Links:
sites for data:
http://infochimps.org
http://numbrary.org
http://aggdata.org
www.census.gov/geo/www/tiger/
if you're interested in sports, e-mail me and we can find something
www.globalhealthfacts.org/
www.census.gov
http://data.gov
http://data.gov.uk
http://nyc.gov/data/
for r related information:
http://r-project.org : the site for just about everything,
http://cran.r-project.org/doc/contrib/ : some great .pdf files working with r and statistics.
http://cran.r-project.org/doc/contrib/Verzani-SimpleR.pdf : my personal favorite one
http://pairach.com/2012/02/26/r-tutorials-from-universities-around-the-world/ : I haven't checked all 20, but certainly seems worthwhile, given your need for more information.
some helpful sites:
http://msenux.redwoods.edu/math/R/
http://www.harding.edu/fmccown/r/
http://www.saylor.org/content/ma121/saylor_ma121.pdf --online stats course book, good examples of each section. wordy.
PLACES TO GET DATA:
Gas Prices in the United States:
http://www.eia.gov/petroleum/gasdiesel/
Pulling stock quotes from the internet: