In this learning object you'll review direct, inverse, joint, quadratic, and combined variations.

In this learning activity you'll practice two variation application problems.

Learners read a brief introduction to in-control and out-of-control conditions and view a series of distribution curves. This is a follow-up to the learning object titled "Quality Basics: Variation."

Learners read an explanation of variation and how it can make a process unpredictable. They distinguish between common and special causes of variation in a brief exercise at the end of the lesson.

In this learning activity you'll practice calculating an inverse variation problem.

In this learning activity you'll walk through a direct variation problem.

In this learning activity you'll practice calculating a combined variation problem.

In this learning activity you'll practice calculating a quadratic variation problem.

In this learning activity you'll practice calculating a joint variation problem.

In manufacturing, controlling the production process is critical. Part of this control is knowing when to make adjustments and when to let the line run. Step onto the production line in our manufacturing plant and learn what process variation is and how it impacts your bottom line.

Learners read about Six Sigma philosophy and methods. The need for high quality levels for today's customers is stressed.

Learners test their knowledge of the variations of Watt's Law and Ohm's Law with this quiz.