An Optimization Design Method of Express Delivery Service Based on Quantitative Kano Model and Fuzzy QFD Model

Table 7

Autocorrelation matrix of express SEs.

	SE1	SE2	SE3	SE4	SE5	SE6	SE7	SE8	SE9
SE1	1	H	L	VL	H	M	M	L	L
SE2	H	1	M	L	VH	VH	H	H	H
SE3	L	M	1	M	VH	L	H	M	H
SE4	VL	L	M	1	L	H	M	L	H
SE5	H	VH	VH	L	1	L	M	M	M
SE6	M	VH	L	H	L	1	M	L	M
SE7	M	H	H	M	M	M	1	H	VL
SE8	L	H	M	L	M	L	H	1	H
SE9	L	H	H	H	M	M	VL	H	1

Notes: VL: very low; L: low; M: medium; H: high; VH: very high.