The Correlation Coefficient Expresses ________

question 59

Multiple Choice

The correlation coefficient expresses ________.

• A) causality
• B) variance
• C) strength of the relationship between two variables
• D) the range between two variables

---

Definitions:

Muscle Twitches

Involuntary, fine movements of a small area of muscle, often caused by stress, fatigue, or mineral imbalances.

All-Or-None Principle

When a stimulus is applied to a cell, an action potential is either produced or not. In muscle cells, the cell either contracts to the maximum extent possible (for a given condition) or does not contract.

Chemical Process

A process involving chemical reactions in which substances are transformed into different substances, crucial in both biological and industrial contexts.

Anaerobic Respiration

A form of cellular respiration that occurs without oxygen, producing energy and lactic acid or ethanol.