Two Variables Are Correlated If

question 76

Multiple Choice

Two variables are correlated if

• A)they both move up or down at about the same time.
• B)an increase in one variable only causes another variable to increase.
• C)a fall in one variable only causes another variable to fall.
• D)there is no observable pattern in the changes of the two variables over time.
• E)changes in one variable do not cause changes in the other.

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Definitions:

Carrot

A root vegetable, typically orange in color, cultivated for its edible taproot that is rich in vitamins, minerals, and fiber.

Foxglove

A genus of flowering plants known for their tubular, spotted flowers that are often used in heart medications.

Secondary Cell Wall

The thickened inner layer of a plant cell wall that provides rigidity and support to the cell, found in some cells after they have stopped expanding.

Primary Cell Wall

The initial, thin, and flexible layer that forms the outermost layer of the cell wall of young plant cells.