Given the Following Information About a Test, Compute the KR-21

question 4

Multiple Choice

Given the following information about a test, compute the KR-21. The test has 50 items, the median is 36, the mode is 34, the mean is 35, and the standard deviation is 4.

• A) .30
• B) .35
• C) .40
• D) .45

---

Definitions:

Reflects Trust

Indicates the presence of confidence in the reliability, truth, or ability of someone or something, often established over time through consistent actions.

Critical Information

Critical information is essential or highly important data that can significantly impact decisions, actions, or outcomes in a given context, necessitating careful handling and protection.

Transformational Model

A leadership approach that creates significant change in the life of people and organizations by transforming followers’ beliefs, values, and attitudes.

Inspirational Motivation

The capability of leaders to inspire or motivate others towards achieving a vision or set of goals by providing meaning and challenge to their work.