Which of the Following Statements Is True

question 4

Multiple Choice

Which of the following statements is true?

• A) Causation always exists when there is a high correlation between the variables.
• B) Variables can be statistically related even if they are not causally related.
• C) Regression can be used to measure the linear association between two nominal variables.
• D) When the correlation between two variables is 0, it implies a perfect positive association.

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Definitions:

Nervous System

The complex network of nerves and cells that carry messages to and from the brain and spinal cord to various parts of the body.

Cortisone

A steroid hormone used as a medication to treat inflammation and immune system diseases.

Parathyroid Gland

Small endocrine glands in the neck that produce parathyroid hormone, which regulates calcium levels in the blood.

Serum Calcium Levels

The concentration of calcium in the blood, important for bone health, muscle function, and nerve signaling.