The data that is available with the optimizing process gives us a new perspective on testing. 

When you believe the problem has been solved, it is logical to assume that your customer also agrees. 

With the optimizing process, the data is available to justify the application of technology to various critical tasks, and numerical evidence is available on the effectiveness with which the process has been applied to any given product.

A quantitative measurement used to determine test completion is _________________. 

Quality control relates to a specific product or service.