In Statistical Notation, the Symbol σ Refers to the ______

question 34

Multiple Choice

In statistical notation, the symbol σ refers to the ______.

• A) sample size
• B) variance
• C) error
• D) standard deviation

---

Definitions:

Nervous System

A complex network of nerves and cells that transmits signals between different parts of the body.

Heart Rate

The number of heartbeats per unit of time, typically expressed in beats per minute (BPM), indicating cardiovascular health and overall physical fitness.

Capillary

A small blood vessel that connects arterioles and venules, facilitating the exchange of water, oxygen, carbon dioxide, and many other nutrient and waste chemical substances between blood and surrounding tissues.

Nutrients

Materials that supply the necessary nutrients for development and sustaining life.