ABC company wants to reduce the number of suppliers it will work with in the coming period by making a performance evaluation of the candidate suppliers. For this reason, the board of directors convened and evaluated the suppliers over 100 points according to 4 attributes. 100 is the best score in this scale. Evaluation results are given in the table.

a. According to the dominance principle, reduce the number of suppliers.
b. Rank the final suppliers via conducting a median ranking approach.
c. Suppose that the attribute weights are equal. Rank the alternatives via SAW, WP, and TOPSIS. Explain the findings and interpret them.
d. Conduct sensitivity analysis for the ranking results of WP. For this purpose, suppose that Quality is two times more important than other alternatives that are equally weighted. Explain the findings and interpret them.

Transcribed Image Text:

Quality Performance 35 35 14 Supplier 1 Supplier 2 Supplier 3 57 Supplier 4 48 Supplier 5 89 Supplier 6 69 Supplier 7 64 70 60 45 65 45 30 Flexibility 40 17 45 45 20 70 70 Speed 45 40 60 40 75 60 55 Quality Performance 35 35 14 Supplier 1 Supplier 2 Supplier 3 57 Supplier 4 48 Supplier 5 89 Supplier 6 69 Supplier 7 64 70 60 45 65 45 30 Flexibility 40 17 45 45 20 70 70 Speed 45 40 60 40 75 60 55

Answer rating: 100% (QA)

A According to the dominance principle the number of suppliers can be reduced by selecting the suppliers that have the highest scores in each category ... View the full answer