An Airline Wants to Select a Computer Software Package for Its

question 9

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.) The number of passengers bumped each week is given below. How should the data be analyzed?
Package 1: 12, 14, 9, 11, 16
Package 2: 2, 4, 7, 3, 1
Package 3: 10, 9, 6, 10, 12
Package 4: 7, 6, 6, 15, 12

• A) t test for the mean difference
• B) t test for the differences in means
• C) one-way ANOVA F test
• D) F test for differences in variances

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Definitions:

Variable Cost

Expenses that vary directly with the level of production or sales, including costs for raw materials and direct labor.

Mixing Machines

Equipment used in various industries such as food, pharmaceuticals, and chemicals to combine or blend different ingredients into a homogeneous mixture.

Demand

The quantity of a good or service that consumers are willing and able to purchase at various prices during a specified period.

Variable Cost

Expenses that change in proportion with production output or business activity level.