Final answer:
To establish quality categories, you need to develop clear and relevant evaluation criteria. These criteria will be used to evaluate and categorize different products or services.
Step-by-step explanation:
In order to establish quality categories, you need to develop clear and relevant evaluation criteria. These criteria will serve as the basis for evaluating and categorizing different products or services. For example, if you are reviewing cars, you might establish criteria such as fuel efficiency, safety features, and reliability. By using these criteria, you can assign quality categories such as BQ, WQ, or Q5-B-13 to different cars depending on how well they meet the criteria.