TOPSIS examples

1. Suppose you are buying a car, and you are interested in both price and life span. There are two conflicting objectives: a long expected life span and a low price. Three alternatives: Audi, BMW and Volkswagen. Based on data given below which one would you choose?

Price ($1000)Life Span (Years)

Audi1012

BMW179

Volkswagen86

Wp=0,714Wl=0,286

2. A local chemical company tries to recruit a manager. The companys human resources department provides some relevant selection tests, as the benefit attributes to be evaluated. These include knowledge test, skill test and interview. There are 3 qualified candidates on the list for the selection. The basic data for the decision are listed in table below. Weights are 0.25, 0.35 and 0.4 respectively. Which one would you hire?

Knowledge testSkill testInterview

Candidate 1986

Candidate 2868

Candidate 3589

3. Assume that three airports A1, A2 and A3 are evaluated by experts, and criteria were comfort, security measures and flight safety control. They rated it from 1-10. Based on data given below which one would is the best?

ComfortSecurity measuresFlight safety control

A1589

A2977

A3798

W1=0,2W2=0,3W3=0.5