Under Which of the Following Circumstances Is It Impossible to Construct

question 73

Multiple Choice

Under which of the following circumstances is it impossible to construct a confidence interval for the population mean?

• A)A non-normal population with a large sample and an unknown population variance.
• B)A normal population with a large sample and a known population variance.
• C)A non-normal population with a small sample and an unknown population variance.
• D)A normal population with a small sample and an unknown population variance.

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Definitions:

Descent Group

A social group whose members talk about common ancestry.

Lineage Group

A social group tracing descent from a common ancestor, thus forming a basic unit in the social structure of many societies.

Kinship Group

A social network of relatives within which individuals possess certain mutual rights and obligations.

Mitochondrial DNA

Genetic material found in mitochondria, distinct from nuclear DNA, and inherited matrilineally, used in studies of genetic ancestry and evolutionary biology.