The Wilcoxon Rank Sum Test Statistic T Is Approximately Normally

question 148

Multiple Choice

The Wilcoxon rank sum test statistic T is approximately normally distributed whenever the sample sizes are larger than or equal to:

• A) 10
• B) 15
• C) 20
• D) 25
• E) 30

---

Definitions:

Confounds

Variables that researchers fail to control or eliminate, which can cause a misunderstanding of the causal relationship in a study.

Operational Definitions

Clearly defined criteria or measures used to describe and quantify a concept or variable in research.

Conceptual Replicability

refers to the extent to which research findings can be confirmed or supported through studies with similar conceptual frameworks but different methods.

External Validity

Describes the extent to which research findings can be generalized or applied to settings, populations, or times beyond the scope of the original study.