In Testing the Difference Between Two Population Means Using Two

question 156

Multiple Choice

In testing the difference between two population means using two independent samples, the sampling distribution of the sample mean difference is normal if:

• A) the sample sizes are both greater than 30
• B) the populations are normal
• C) the populations are non-normal and the sample sizes are small
• D) the populations are non-normal and the sample sizes are large
• E) all of these

---

Definitions:

Attorney-Client Privilege

A legal principle that ensures communications between an attorney and their client remain confidential and cannot be disclosed without the client’s consent.

Hired

The act of engaging the services of a person or persons, often in exchange for compensation.

Client

A person or organization using the professional services or advice of a lawyer or other professional.

Confidentiality Rule

A principle or regulation requiring certain information to be kept secret and not disclosed without authorization.