1. Applied Regression Analysis
2. Gideon, J. (1997), Teach-Stat Activities: Statistics Investigations for Grades 3-6, The University of North Carolina Mathematics and Science Education Network, Palo Alto, CA: Dale Seymour Publications, pp. 75–78.
3. Innes, B. (2000), Bodies of Evidence: The Fascinating World of Forensic Science and How it Helped Solve More Than 100 True Crimes, Pleasantville, NY: Reader's Digest Association, pp. 71–72.
4. Fitting Percentage of Body Fat to Simple Body Measurements