A Nonparametric Method to Compare Two or More Populations,when the Samples

question 137

Multiple Choice

A nonparametric method to compare two or more populations,when the samples are matched pairs and the data are either ordinal or interval but not normal,is the:

• A)Wilcoxon signed rank sum test.
• B)sign test.
• C)Friedman test.
• D)Kruskal-Wallis test.

---

Definitions:

Formal Leader

An individual who holds an official position of authority and is recognized within an organization as having the right to guide and direct others.

Leadership Roles

The specific responsibilities and expectations associated with individuals in positions of influence within an organization.

Collective Efficacy

The shared belief in the capability of a group to achieve its goals and successfully execute tasks together.

Political Skill

The ability to effectively understand others at work, and to use such knowledge to influence others to act in ways that enhance one’s personal and/or organizational objectives.