Consider a Data Sample Consisting of 12 Values with a Mean

question 12

Multiple Choice

Consider a data sample consisting of 12 values with a mean of 22 and variance of 1.5. What is the 95% confidence interval for the variance?

• A) 0.75 < σ² < 4.32
• B) 0.87 < σ² < 2.08
• C) 1.02 < σ² < 2.87
• D) 1.03 < σ² < 8.26

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Definitions:

Recognition

A type of retrieval that requires you to judge whether you have encountered a stimulus previously.

West Virginian Counties

Administrative subdivisions of the state of West Virginia, in the United States, each with its own local government.

Incidental Learning

Learning without trying to learn, and often without awareness that learning is occurring.

Intentional Learning

Placing new information into memory in anticipation of being tested on it later.