i just need help with any 3 please.

Answer at least three of the following Problems Problems on Needs Identification and Specifications 1. What is the difference between quality and precision? 2. Why is QFD called the House of Quality? 3. What do the top to bottom and left to right directions represent in QFD? 4. You are doing a QFD for a residential wall-mounted light switch. One of the needs you have heard is that it should "click sharply but quietly." a Convert the need to "hows" and create at least five requirements. b. Identify three possible customer groups for testing. c. Suggest relative values for each of the customers. 5. Your design team is developing the specifications for a can opener. You have already established that it will use a hand crank on the side. Define ten VOS capabilities and control variables. Note: The can opener will have two handles, a blade to cut the lid, a roller to push the can onto the blade, and a crank to turn the roller. You can change component features to change the feel and performance of the can opener. 6. What should be done if the customer-supplier compatibility matrix has an empty column or row? 7. What does it mean if any columns or diagonals in the supplier capability interaction matrix are empty? 8. How could competitive values be created if there are no competitors? 9. Develop a QFD chart for coffee cup features. Use standard cups that are available from local coffee shops and vendors. The objective is to design a new cup with the widest consumer and vendor appeal