A QFD-Based Quality and Capability Design Method for Transboundary Services

Table 5

Partial influence degree relation functions.

Functions	Expressions	Value range of independent variables
		q1 ∈ [1.4, 2.0]
		q2 ∈ [5, 20]
		q3 ∈ [3500, 5000]
		q4 ∈ [1, 2, 3, 4, 5]
		q5 ∈ [1, 2, 3]
		q6 ∈ [10, 50]