Assuming a Linear Relationship Between X and Y,if the Coefficient

question 55

Multiple Choice

Assuming a linear relationship between X and Y,if the coefficient of correlation (r) equals -0.30,

• A) there is no correlation.
• B) the variance of X is negative.
• C) variable X is larger than variable Y.
• D) the slope (b₁) is negative.

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Definitions:

Somatic

Relating to or affecting the body, distinct from the mind or emotions.

Parasympathetic

A division of the autonomic nervous system responsible for relaxation and conserving energy, often referred to as the "rest and digest" system.

Sympathetic

Relating to the sympathetic nervous system, part of the autonomic nervous system that orchestrates the body's rapid involuntary response to dangerous or stressful situations.

Sympathetic

Pertaining to the part of the autonomic nervous system that increases heart rate, constricts blood vessels, and raises blood pressure, typically in response to stress.