A Random Sample of 18 Observations Is Taken from a Normal

question 3

Multiple Choice

A random sample of 18 observations is taken from a normal population. The sample mean and sample standard deviation are 76.4 and 4.2, respectively. What is an 80% interval estimate of the population variance?

• A) [12.107, 29.735]
• B) [10.870, 34.581]
• C) [12.819, 31.484]
• D) [14.636, 23.443]

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Definitions:

Freedom of Contract

The principle that individuals have the liberty to enter into agreements as they choose without unjust government interference.

Noncompetition Clause

A provision in a contract that prohibits one party from competing with another party for a certain period of time and within a certain geographic area.

Legitimate Business Purpose

A rational, honest intention or objective behind a business action or decision, often considered in legal contexts to validate transactions.

Geographic Area

A specific portion of the Earth's surface defined by natural or artificial boundaries, characterized by distinct physical, administrative, or cultural properties.