unit 1; importance of quality control

What is product testing?

Product testing means checking how good, safe, and reliable a product is before selling it

Why is quality assurance?

A process that gives confidence your product or service will meet customer expectations and standards

What is quality control?

Ensure that the product quality is maintained or improved by testing and inspecting units

Why is quality control important?

Help I,prove company reputation, ensure compliance, increase customer satisfaction, and reduce waste.

Productivity and quality

When quality increases, productivity also increases- because less waste and rework.

Aspects of Product Quality

1. Quality of design

2. Quality of conformance

3. Quality of performance

Quality of design

Design must meet customer needs at a reasonable cost

Quality of conformance

Means the product follows the design and meet the standards

Quality of Performance

How well the product works when used by the customer

Variation

Variation is a change or inconsistency in process or product quality

Common cause variation

Natural, expected variation

Special cause variation

unexpected or unusual variation