An Airline Wants to Select a Computer Software Package for Its

question 2

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. An experiment is set up in which each package is used to make reservations for 5 randomly selected weeks and data on the number of passengers that are bumped over a month are collected. (A total of 20 weeks was included in the experiment.) The variance on the number of passengers that are bumped is found to be roughly the same for the 4 packages. Which of the following tests will be the most appropriate to find out if the average number of passengers being bumped over a month is the same across the 4 packages?

• A) pooled-variance t test
• B) paired t test
• C) one-way ANOVA F test for differences among more than two means
• D) two-way ANOVA F test for interaction effect

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Definitions:

Terror Management Theory

A psychological perspective that examines how humans deal with the fear of their own mortality, often through cultural beliefs, self-esteem, and personal significance.

System Justification Theory

A theory suggesting that people have a psychological tendency to defend and justify existing social, economic, and political systems, even at a disadvantage to themselves.

Social Identity Theory

A psychological theory that posits people categorize themselves and others into various social groups, influencing their behavior and attitudes.

Collective Action

Actions taken together by a group of people to achieve a common objective, often for a social or political cause.