In Testing the Difference Between Two Independent Population Means, If

question 24

Multiple Choice

In testing the difference between two independent population means, if the assumption is of unequal variances, the critical value of the t statistic is obtained by calculating the ________.

• A) degrees of freedom
• B) sum of the two sample sizes (n₁ + n₂)
• C) p-value
• D) pooled variance

---

Definitions:

The Joint Commission

An independent, not-for-profit organization that accredits and certifies healthcare organizations and programs in the United States.

Accepted Standards

Guidelines or criteria widely recognized and followed by an industry or community as a basis for quality, safety, or functionality.

Documentation

The process of creating, maintaining, and preserving records and details of various activities, transactions, or processes.

Shortness of Breath

A sensation of difficulty breathing or a feeling of not getting enough air, a symptom of various medical conditions ranging from mild to serious.