An Airline Wants to Select a Computer Software Package for Its

question 5

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:

Sediment

Particulate matter that settles at the bottom of a liquid or is transported by water, wind, or ice.

Waterlogging

The saturation of soil with water, usually due to excessive rain or irrigation, which can lead to reduced oxygen availability for plants.

Irrigation

The artificial application of water to land to assist in the growing of crops and vegetation.

Soil PH

A measure of the acidity or alkalinity of soil, significantly affecting nutrient availability, microbial activity, and plant growth.