Math Is Fun
Math Is Fun: Scatter Plots
Explains, with examples, what scatter plots are and how to interpret the data. Discusses trends, interpolation and extrapolation, and correlation. Includes a set of practice questions.
Science Struck
Science Struck: Guide on Interpolation vs. Extrapolation
Explains what interpolation and extrapolation are and methods used for them in statistics. Gives real-world examples of their applications in telecommunications, engineering, thermodynamics etc.
Other
University of Edinburgh: Glossary of Introductory Computer Graphics Terms
This website, from the University of Edinburgh, provides a lengthy glossary of computer graphics terms written by Olin Lathrop, author of "The Way Computer Graphics Work". This site provides simple definitions of basic terms; no graphics...
Khan Academy
Khan Academy: Linear Interpolation
In this 7-problem quiz/practice, calculate the position of a point using linear interpolation.
Khan Academy
Khan Academy: Start Here! Animation
Overview of this lesson on animation. For this lesson we are going to uncover a really useful way to construct Bezier curves of various degrees using de Casteljau's algorithm.
Brown University
Linear Interpolation
This site explains how linear interpolation allows for prediction and gives several examples.