2. Explain the 1, or 3, or 9 interrelationship values in a QFD matrix + + ++ + + ++ + + Correlation ++ Strong positive Positive Correlation used to show how items within a list affect one another Negative Strong negative Matrix extended to score competitors against Relationship Customer- customer requirements Strong 9 assigned value from 1 to 9 Medium O3 used to weight Weak A1 relationship value Compressed Tree Diagram used to identify customer requirements Cloth 8 O 0176 14 Clean Cutlery OA O 198 16 7 6 9 Cloth 6 Attractive 126 10245 table Elegant Decor 7 294 236 7 5 setting Furniture 52 8 Layout 5 Correct 180 14 6 6 Cutlery 8 OA 0232183 9 Importance 72 81 174 198 345 76 81 231 1258 Relationship