Statistics Resources


U.S. Demographic and Statistical Information


2007 Washington State Data Book


The 2006 U.S. Census Bureau Statistical Abstract (National Data Book)


FedStats (The gateway to statistics from over 100 U.S. Federal agencies)




Gallery of Distributions


Distribution Tables


Sampling Distributions (standard error and Central Limit Theorem)


Statistics Every Writer Should Know: A simple guide to understanding basic statistics, for journalists and other writers who might not know math.


Statistical Significance





U.S. Population 1790-2000


U.S. Population, Land Area and Density, 1790-2000


Depression Era Employment Statistics



Graphics and Maps

A Graphic Look at the World


Mapping Techniques

On the first map of presidential election results, the size of each state is adjusted for population size.  The next map looks at the Electoral College, and there are more.

 The second URL shows other examples of the same mapping technique.


Statistics and Calculus


Statistical Tests






Multiple Regression


Factor Analysis


Statistical Resources


Exercises and Tutorials


Exercises for students


Elementary Statistics Tutorial Page



Instructor Resources:


Karl Wuensch's Statistics Lessons (East Carolina University)


Elementary Statistics Syllabus


NEP Scale


Survey Monkey





Online Statistics Textbooks


HyperStat Online Statistics Textbook


Elementary Concepts in Statistics



Statistics Software


R Statistics (Open source program)


Statistics Using R tutorial




The Great Depression Facts

Date: October 29, 1929 to 1941

Total U.S. Population: 122.8 million (*299,398,484)

Life expectancy: 59 yrs

Average annual income: $750

Unemployed: 3.2 million

President: Herbert Hoover (19291933), Franklin Delano Roosevelt (1933 - 1945)

*2006 estimate