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) McNemar test
D) Tukey-Kramer multiple comparisons procedure for one-way ANOVA

Question

Quizplus · Accepted Answer

The experiment involves comparing more than two groups (four software packages), and the goal is to determine if there are any significant differences in the average number of bumped passengers among these groups. A one-way ANOVA is appropriate for comparing means across multiple groups, and the Tukey-Kramer procedure is used for multiple comparisons following ANOVA.

An Airline Wants to Select a Computer Software Package for Its