In Simple Regression Analysis, If the Correlation Coefficient Is a Positive

question 68

Multiple Choice

In simple regression analysis, if the correlation coefficient is a positive value, then

• A) the y-intercept must also be a positive value.
• B) the coefficient of determination can be either positive or negative, depending on the value of the slope.
• C) the least squares regression equation could have either a positive or a negative slope.
• D) the slope of the regression line must also be positive.
• E) the standard error of estimate can have either a positive or a negative value.

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Definitions:

Equilibrium

A state of physical balance or a condition where all competing influences are balanced.

Arterial Insufficiency

A condition characterized by inadequate blood flow through the arteries, typically affecting the legs and leading to symptoms like pain, skin changes, and wounds that do not heal.

Paralysis

The loss of muscle function in part of the body, often resulting from damage to the central nervous system.

Traction

A therapeutic method used to treat musculoskeletal disorders, which involves pulling on a limb or the spine to align or immobilize parts of the body.