TeachEngineering
Teach Engineering: Strong Arm Tactics
Students generally do not know the complexity that goes into building and programming a robotic arm. In actuality, creating such an arm comes from a design that involves mechanical, electrical, and computer science engineers. This...
Missouri State University
Missouri State University: Introductory Statistics: T Test: The T Distribution
This discussion of statistical t distributions is presented in notes with examples added as needed.
Other
Stat Soft: Statistics Glossary
Dozens of statistical terms are defined and illustrated in this glossary.
CK-12 Foundation
Ck 12: Algebra Ii: 6.4 Critical Values
This section is an introduction to critical values and critical regions. Critical values are directly related to Z-scores, which are covered in more detail in other lessons. References to left and right-tailed tests are also mentioned.
Other
Curiosity in the Classroom: Calculating Degrees of Freedom of Robotic Arm [Pdf]
A lesson plan to explore the movement of robots. Students will investigate the number of directions a robots arm can move using a simple construction set. An advance lesson to calculate the degrees of freedom using the Grubler's formula...