What Is the Standard Deviation of a Population If the Sum

question 33

Multiple Choice

What is the standard deviation of a population if the sum of the squared deviations is 81 and there are 9 people in the population?

• A) The square root of 3
• B) 1
• C) 3
• D) 9

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Definitions:

Oral Hygiene

The practice of keeping the mouth, teeth, and gums clean and healthy to prevent disease.

Gingivitis

A common and mild form of gum disease (periodontal disease) that causes irritation, redness, and swelling (inflammation) of your gingiva, the part of your gum around the base of your teeth.

Sweat Glands

Specialized exocrine glands found in the skin that produce sweat as a mechanism for thermoregulation and excretion.

Bathing

The act of washing oneself or another, typically in a bathtub or shower, for purposes of hygiene or relaxation.