The Standard Deviation $\sigma$ Of a Probability Distribution Is A:
A) Measure of Variability

question 51

Multiple Choice

The standard deviation $\sigma$
Of a probability distribution is a:

• A) measure of variability of the distribution
• B) measure of central location
• C) measure of relative likelihood
• D) measure of skewness of the distribution

---

Definitions:

Cytoplasm

The jelly-like material within a cell, excluding the nucleus, where various cellular processes occur, including enzyme reactions and nutrient processing.

Nucleus

The central and most important part of an object, movement, or group, forming the basis for its activity and growth; in cells, it is the membrane-bound structure that contains the chromosomes and controls the cell's activities.

Nucleolus

A structure found within the nucleus of the cell.

RNA Synthesis

The process of synthesizing ribonucleic acid (RNA) from a DNA template, a critical step in gene expression and protein production.