A Statistic That Measures How Two Variables Tend to Move

question 39

Multiple Choice

A statistic that measures how two variables tend to move together is the

• A) Coefficient of variation
• B) Correlation coefficient
• C) Standard deviation
• D) Mean
• E) Variance

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Definitions:

Internal

Located or occurring within an organism or one of its parts.

Norepinephrine

A neurotransmitter and hormone involved in arousal, alertness, and regulation of blood pressure, among other physiological processes.

Manic Episode

a period of abnormally elevated mood, arousal, and energy levels, often seen in bipolar disorder.

Neurotransmitter

A chemical substance released at the end of a nerve fiber by the arrival of a nerve impulse, transmitting the impulse to another nerve fiber, a muscle fiber, or some other structure.