How Is the Standard Deviation of Returns for Individual Common

question 107

Essay

How is the standard deviation of returns for individual common stocks or for a stock portfolio calculated?

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Definitions:

Root Epidermis

The outermost layer of cells in the root of a plant, responsible for absorption of water and minerals from the soil.

Periderm

The protective outer tissue of woody plants and trees, replacing the epidermis as the plant grows.

Lateral Roots

Roots that branch off from the main root to increase the plant's ability to absorb water and nutrients from the soil.

Cortex

In biology, the outer layer of an organ or structure, such as the cerebral cortex of the brain or the cortex of a plant root or stem.