If We Say That Two Variables Are Directly Related, This

question 67

Multiple Choice

If we say that two variables are directly related, this means that

• A) the relationship between the two is purely random.
• B) an increase in one variable is associated with a decrease in the other variable.
• C) an increase in one variable is associated with an increase in the other variable.
• D) the two graph as a downsloping line.

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Definitions:

Duodenum

The portion of the small intestine into which the contents of the stomach first enter.

Omnivore

An animal that eats a variety of plant and animal materials.

Earthworm

A tube-shaped, segmented worm found in the phylum Annelida that plays a key role in aerating and enriching soil.

Sheep

A domesticated ruminant mammal, typically kept as livestock for meat (lamb, mutton) and for wool.