Which of the Following Is a Property of R,the Coefficient

question 69

Multiple Choice

Which of the following is a property of r,the coefficient of correlation?

• A)r always lies between 0 and 1.
• B)r has no units.
• C)If you switch the values of X and Y,the sign of r changes.
• D)All of these choices are true.

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Definitions:

Nervous system

The complex network of nerve cells and fibers that transmits nerve impulses between parts of the body, central to controlling and coordinating body activities.

Neurons

Specialized cells within the nervous system that transmit information to other nerve cells, muscle, or gland cells, often referred to as the basic working units of the brain.

Lymphocytes

A type of white blood cell that is part of the immune system, helping the body to fight infections and diseases by recognizing antigens and producing antibodies.

Neutrophils

A type of white blood cell that helps the body fight infection by ingesting bacteria and debris.