An Airline Wants to Select a Computer Software Package for Its

question 53

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

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Definitions:

Trendlines

Graphical representations in data analysis that show the general direction or trend of data points over a period of time.

Formula Auditing Group

A collection of tools in spreadsheet applications that assist users in examining and troubleshooting the formulas in a worksheet.

Range B1:B20

A specific sequence of cells in a column, from B1 through B20, in spreadsheet software.

Counta

A function in spreadsheet software that counts the number of cells in a range that are not empty.