Descriptive Statistics

References

SAS Institute Inc. (2000), SAS Procedures Guide, Version 8, Cary, NC: SAS Institute Inc.

SAS Institute Inc. (2000), SAS/STAT User's Guide, Version 8, Cary, NC: SAS Institute Inc.

Schlotzhauer, Sandra D. and Littell, Ramon C. (1991), SAS System for Elementary Statistical Analysis, Second Edition, Cary, NC: SAS Institute Inc.

U.S. Bureau of the Census (1995), Statistical Abstract of the United States, Washington, D.C.