When Is the T Distribution Used Instead of the Z

question 20

Multiple Choice

When is the t distribution used instead of the Z distribution to test the significance of the difference between two sample proportions?

• A)never
• B)when sample size is very large
• C)when one sample is much larger than the other
• D)when N is small

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Definitions:

Informal Group Network

A network of personal and social relationships that develop in the workplace outside the formal organizational structure.

Email

A method of exchanging digital messages across the Internet, used for quick, efficient communication between individuals or groups.

Single-strand Chain

A series of connected entities or elements that follow one after the other in a single line or sequence.

Grapevine

An informal channel of communication within an organization, relying on social networks rather than official routes of communication.