Which of the Following Do (Does) Not Measure Average Dispersion

question 79

Multiple Choice

Which of the following do (does) not measure average dispersion?

• A) standard deviation
• B) range
• C) sum of squares
• D) range and sum of squares

---

Definitions:

Retina

A layer at the back of the eyeball containing cells sensitive to light, which trigger nerve impulses that pass via the optic nerve to the brain.

Cornea

The transparent front part of the eye that covers the iris, pupil, and anterior chamber, responsible for focusing most of the light that enters the eye.

Pupil

The opening in the center of the iris of the eye, through which light enters and is regulated in size to control the amount of light that enters.

Optic Nerve

The nerve that transmits visual information from the retina to the brain.