Mathematics: Statistics and Datasets

U. S. GOVERNMENT STATISTICS WEBSITES

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

U. S. Census Bureau 
United States Department of Commerce

Bureau of Labor Statistics  
U.S. Department of Labor

National Center for Education Statistics  
NCES is the primary federal entity for collecting and analysis data that are related to the United States and other nations.

DATASETS WEBSITES

Statistical Reference Datasets  
The purpose of this project is to improve the accuracy of statistical software by providing reference datasets with certified computational results that enable the objective evaluation of statistical software.

Carnegie-Mellon University  
An archive of datasets.

Datasets for Data Mining
Resources for datasets.