The Standard Deviation of a Normal Distribution Is 20

question 26

Short Answer

The standard deviation of a normal distribution is 20. What is the standard error of the mean obtained by averaging 225 samples?

---

Definitions:

Individuals

Single organisms of a particular species, considered separately from their population or community.

Species

A group of organisms sharing common characteristics and genetic makeup, capable of interbreeding and producing fertile offspring under natural conditions.

Basic Unit

The fundamental component or element from which a system is built or organized.

Life

The condition that distinguishes organisms from inorganic objects and dead entities, characterized by growth, reproduction, and the need for food and energy.