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Reference books like dictionaries and encyclopedias are great ways to get background information on your topic.
You will need to cite information you learn from reference works, just as you would from books and articles. Citation information is usually at the bottom of the screen if you are using an online reference source.
Online statistical resources
CDC WonderWONDER online databases utilize a rich ad-hoc query system for the analysis of public health data. Reports and other query systems are also available.
FCSMThe Federal Committee on Statistical Methodology (FCSM) is an interagency committee dedicated to improving the quality of Federal statistics.