What is Quality?

Section 2 Variation Fundamentals

Lesson S02-05

Text: Section 2 pages 20 – 32

Duration: 22 minutes

A discussion of control limits and specification limits naturally leads into the issue of quality. Careful consideration should be given to defining quality, because most manufacturers are extremely concerned about quality.
So, what is quality? Have many businesses clearly and unambiguously defined quality? Is it a vague notion? Should it be subjective?

Inspection vs. Process Understanding. Statistical process control is all about control. People naturally go through control cycles in their daily lives.

What is Quality?

The Large Tires Example

Closeness to Target

Inspection vs Process Understanding

Summary