An Airline Wants to Select a Computer Software Package for Its

Multiple Choice

An airline wants to select a computer software package for its reservation system.Four software packages (1,2,3,and 4) are commercially available.The airline will choose the package that bumps as few passengers,on the average,as possible during a month.An experiment is set up in which each package is used to make reservations for 5 randomly selected weeks.(A total of 20 weeks was included in the experiment. ) Which of the following tests will be the most appropriate?

A) Paired t test.
B) Wilcoxon rank sum test.
C) Kruskal-Wallis rank Test.
D) Tukey-Kramer multiple comparisons procedure for one-way ANOVA.