A Variable Is Classified as Ordinal If

question 25

Multiple Choice

A variable is classified as ordinal if

• A)there is a natural ordering of categories.
• B)the data is randomly selected.
• C)the data arise from continuous measurements.
• D)we track the variable through a period of time.

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Definitions:

Volcanic Activity

The process of magma rising from the Earth's interior, leading to volcanic eruptions that release lava, ash, and gases.

Diffusion

The movement of particles from an area of higher concentration to an area of lower concentration until they are evenly distributed.

Ecological Efficiency

The efficiency with which energy is transferred from one trophic level to the next in an ecosystem. Typically only a small percentage of energy is passed on to the next level.

Trophic Level

A step in a food chain or food web, representing the position of organisms in the flow of energy through an ecosystem.