Complexity

Research Article

Combined Use of Mathematical Optimization and Design of Experiments for the Maximization of Profit in a Four-Echelon Supply Chain

Table 7

Testing multiple ranges for costs.
(a) method: 95.0 percent LSD
ConceptCasesMeanHomogeneous groups
Financing551876.71X
Operation55 133492 X
Delivery time55138243 X
Production55180534 X
Raw material55203129 X
Quality55366922 X
Transportation55840106 X
(b)
ContrastSig.Difference+/− limits
Quality, financing36504539520.0
Quality, raw material16379339520.0
Quality, operation23343039520.0
Quality, production18638839520.0
Quality, delivery time22867939520.0
Quality, transportation−47318439520.0
Financing, raw material−20125239520.0
Financing, operation−13161639520.0
Financing, production−17865739520.0
Financing, delivery time−13636639520.0
Financing, transportation−83823039520.0
Raw material, operation69636.739520.0
Raw material, production 22595.439520.0
Raw material, delivery time64886.139520.0
Raw material, transportation−63697739520.0
Operation, production−47041.339520.0
Operation, delivery time −4750.5439520.0
Operation, transportation−70661439520.0
Production, delivery time42290.839520.0
Production, transportation−65957339520.0
Delivery time, transportation−70186339520.0
indicates a significant difference.