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) Wilcoxon signed rank test
B) Tukey-Kramer multiple comparisons procedure for one-way ANOVA
C) paired t test
D) Wilcoxon rank sum test

Question

Quizplus · Accepted Answer

The Tukey-Kramer multiple comparisons procedure for one-way ANOVA is appropriate here because it is used to compare the means of more than two groups (in this case, four software packages) to determine if there are any statistically significant differences between them.

An Airline Wants to Select a Computer Software Package for Its