The six 9s of the quality rule are a measure of quality control that is equivalent to one error in a million potential for problems.
What does "quality control" mean?
- A technique or collection of procedures known as quality control (QC) is designed to make sure that a service or product is made in accordance with a specified set of quality criteria or that it satisfies the needs of the client or customer.
- There are various approaches to quality control. These include the Taguchi Method, Six Sigma, an x-bar chart, and 100% inspection mode.
- Setting standards and conducting tests to ensure that anything, such as a product or service, is completed correctly is known as quality control.
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