An Airline Wants to Select a Computer Software Package for Its

question 283

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.

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Definitions:

Causation

A relationship between variables in which a change in one directly produces a change in the other.

Defining Variables

The process of establishing what will be measured in a study and how those measurements will be categorized or quantified.

Violence

The use of physical force to harm someone, to damage property, or to exert power, often a manifestation of aggression that can be physical, emotional, or psychological.

Research Process

A systematic method of investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.