This page contains a number of links to websites containing data files that can be downloaded for analysis, as well as other interesting sites. Naturally, there are many more such sites available, with new ones coming each day-- these are some of my favorites. Beware that some of these sites contain massive datasets; look before you download!
Data Libraries and Directories
These sites will direct you to datasets that have already been compiled or to agencies and organizations which post data on the Web.
- StatLib (Department of Statistics at Carnegie Mellon University)
- Data and Story Library (DASL), part of StatLib
- Journal of Statistics Education -- click on the JSE Data Archive
- University of Michigan -- Documents Center "Statistical Resources on the Web"
- UCLA's Datasets sites
- Nationmaster -- a very rich source of economic, demographic and social data from around the world
Links to other Data Sites
These sites each contain links to interesting datasets and illustrative examples. Check them out!
- Prof. Robin Lock's DataSurfing site (Dr. Lock teaches at St. Lawrence University)
- Dr. B's Wide World of Data (Dr. John Behrens teaches at Arizona State University)
- Sports Statistics on the Web (a site maintained by the American Statistical Association's Section on Statistics in Sports)
- Fishing for Data (a site created by Leon Bourn and Stephen Turner at Babson College; links to Business & Ecnomic data, and lots more)
Of special interest to Business Students...
- NASDAQ - stock quotes
- New York Stock Exchange - stock quotes
- Wall Street Research Net -- access to financial research tools and databases
- Dow Jones Averages -- keep an eye on the Dow
- SEC Edgar Database -- information on firms registered with the Securities and Exchange Commission
- Careers in Statistics -- what the American Statistical Association has to say
These are agencies of the United States or other nation's governments, providing data on all manner of subjects.
- FedStats -- a directory identifying all U.S. Federal agencies posting data on the Web.
- Center for Disease Control National Center for Health Statistics
- Energy Information Administration U.S. Dept. of Energy
- FRED-- Federal Reserve Bank of St. Louis
- U.S. Bureau of the Census -- all about us!
- Statistical Abstract of the United States -- the "Yellow Pages" of U.S. data
- U.S. Bureau of Labor Statistics -- employment and unemployment
- United Nations System -- links to U.N. agencies and departments
- National Weather Service -- current and historical weather and climatological data
- United Nations Statistics Division -- economic, demographic, political data for the world
- World Bank World Development Indicators -- annual development measures around the world
- International Labour Organization's LABORSTA -- searchable database of labor statistics
Other organizations and agencies
- Gallup Poll -- One of the largest polling organizations in the world.
- New England Journal of Medicine -- The venerable medical journal that reports the latest research
- Nielsen Media -- check out the ratings of the top 10 TV shows today
Applets & Other Interesting Links
These links may help you to understand certain statistical concepts as we move through our course. Applets are little interactive application programs that (in this case) illustrate statistical ideas. NOTE: Many applets take a while to download, and it may appear that your screen has frozen. Be patient, and the applet should appear.
- JAVA Applets - an extensive collection at Duke University
- Probability Central - a collection of activities to help you understand probability
- Histograms (does class width matter? Based on Old Faithful data)
- Guessing Correlations -- try your skill at estimating correlations from scatter plots.
- Let's Make a Deal problem
- Normal Distributions - Experiment with adjusting the mean and standard deviation
- Normal Probabilities - Visualize the probabilities under a normal curve
- The Central Limit Theorem - See it!
- t-Distributions - Shape and probabilities
- Confidence Intervals - Simulate many random samples and see the results
- Statistical Tests - visualize what's really going on in a statistical test
- WISE Power Applet - Investigate what determines the Power of a statistical test
- Power of a Test - Another view of the concept of power
- Regression - Try to draw a best-fitting line by eye (and hand!)
- Effects of Outliers in Linear Regression - Add an outlier and see what happens
- Random Yahoo Link -- jump into a randomly-chosen site from Yahoo's huge database of Web addresses
- History of Mathematics at the University of St. Andrews (Scotland): Find out about all those famous statisticians!
- Statisticians in History - a site maintained by the American Statistical Association
Many of the links on this page were brought to my attention by Prof. Robin Lock.