Handout
University of Colorado

University of Colorado: Error, Accuracy, & Precision

For Students 9th - 10th
A serious paper by serious geographers, discussing at full length the problems caused by error, inaccuracy, and imprecision in Geographical Information Systems. The definitive word in the real world.
Handout
Other

Artel: Lab Report 4: Defining Accuracy, Precision, and Trueness

For Students 9th - 10th
This maker of precision instruments presents this solid article on the topic of accuracy and precision. Great discussion of types and sources of error, and quality control.