An Airline Wants to Select a Computer Software Package for Its

question 51

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

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Definitions:

Covariance Coefficient

A statistical measure that indicates the extent to which two variables change together; it can be positive, negative, or zero.

Maximum-Likelihood Coefficient

A statistical measure that estimates the parameters of a model to maximize the likelihood of fitting the model to a given set of data.

Reciprocal Correlation

A mutual relationship or connection between two variables, where changes in one variable are reflected by changes in the other.

Unethical

Actions or behaviors that go against moral principles or professional standards, often resulting in harm or unfairness to others.