Shodor Education Foundation
Shodor Interactivate: Mean, Median, and Mode Discussion
This is a virtual discussion between a mentor and student involving mean, median, and mode. Discusses when each is used and how they are found.
Other
Find Biometrics, Global Identity Management
This site is geared more toward a consumer than a student, but it does list, describe, and in some cases compare each of the primary identification methods (fingerprints, iris recognition, voice, etc).
Shodor Education Foundation
Shodor Interactivate: Lesson: Box Plots
This lesson plan introduces quartiles and box plots. It contains an activity and discussion. Supplemental activities about how students can represent data graphically are also included.
Other
The Biometric Consortium
This site provides a very comprehensive look at the current status of biometric systems. There is some information contained directly within the site, but the main feature is the numerous links to each of the different types of biometric...