Describe what are eight dimensions of quality? Q-3. Identify the four costs of quality. Which one is hardest to evaluate? Explain. (b) What is total quality management? Q-4. On the first day of class at a new university you made judgments about the quality of the class before the professor had entered the room. You noted the comfort of the accommodations, the fine works of art in the halls and on the classroom wall and the soothing music piped in over the sound system. What is this dimension of quality known as?