A Sample of 20 Observations Has a Standard Deviation of 4

question 54

Multiple Choice

A sample of 20 observations has a standard deviation of 4. The sum of the squared deviations from the sample mean is:

• A) 400
• B) 320
• C) 304
• D) 288
• E) 180

---

Definitions:

Northeast

A region in the United States known for its historical significance, economic output, and dense population, typically including states in the upper Northeastern part of the country.

Slavery

A system in which people are legally owned by others as property and are forced to work without freedom or the right to compensation.

Nullification

The doctrine suggesting that states have the right to invalidate any federal law which they view as unconstitutional.

Exposition and Protest

A document or statement that clearly explains a position or viewpoint on a contentious issue, often used to articulate objection or dissent.