Which of the Following Modes of Transportation Are Most Often

question 64

Multiple Choice

Which of the following modes of transportation are most often used for short-distance delivery because they can be loaded and unloaded quickly and cheaply?

• A) airplanes
• B) cargo ships
• C) freight trains
• D) trucks
• E) speedboats

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Definitions:

Factorial Research Designs

Experimental designs that allow researchers to examine the effects of two or more independent variables on a dependent variable, as well as the interaction effects between variables.

Interaction Effect

The effect on a dependent variable that arises from the combination of two or more independent variables, rather than from any single variable.

Dependent Variables

Variables in an experiment or study that are expected to change as a result of changes in the independent variable.

F-Ratio Statistic

The F-ratio statistic is utilized in statistical analysis, specifically ANOVA, to compare the variance between groups to the variance within groups, aiding in understanding if the means between two or more groups are significantly different.