A Quality Function Deployment-Based Model for Cutting Fluid Selection

Table 2

Scale indicating priority weight and correlation index.

Scale	Priority weight	Correlation index
1	Not important	Very, very weak relation
2	Least important	Very weak relation
3	Very less important	Weaker relation
4	Less important	Weak relation
5	Moderately important	Moderate relation
6	Important	Strong relation
7	Very important	Stronger relation
8	Very, very important	Very strong relation
9	Most important	Very, very strong relation