Khan Academy: Introduction to Experiment Design

In this introduction to functions video, Sal intuitively defines a function and introduces the function notion f(x). He finishes the video by looking at a simple example of evaluating g(f(x)) without getting into the complexity of...

Introduction to the chi-square test for homogeneity.

Matched pairs experiment design.

An introduction to why we use t statistics.

Introduction to residuals and least squares regression.

Introduction to sampling distributions.

Introduction to Exponential Decay. Using the exponential decay formula to calculate k, calculating the mass of carbon-14 remaining after a given time, and calculating the time it takes to have a specific mass remaining. [9:19]

Practice questions on principles of experimental design.

An instructional video describing complex conjugates. Complex conjugates are defined and then used to simplify a problem in which a complex number is divided by another complex number. [8:03]

This video [1:14] lesson is an introduction to Parabolic Arcs. What do parabolic arcs have to do with blades of grass?