A Sample of 20 Items from a Population with an Unknown

question 35

Multiple Choice

A sample of 20 items from a population with an unknown σ is selected in order to develop an interval estimate of μ. Which of the following is not necessary?

• A) We must assume the population has a normal distribution.
• B) We must use a t distribution.
• C) Sample standard deviation must be used to estimate σ.
• D) The sample must have a normal distribution.

Identify how societal and organizational cultural values influence leadership practices and preferences in different cultures.

Describe the concepts of transactional leadership and how it differs from transformational leadership.

Explain the role of vision in leadership and how it motivates and unifies followers.

Distinguish between practices and values in the context of the GLOBE study's findings.

---

Definitions:

Frustrations

are feelings of dissatisfaction and discomfort arising from obstacles that prevent one from achieving goals or satisfying needs.

Cognitive Dissonance

The psychological discomfort experienced when holding two or more contradictory beliefs, ideas, or values at the same time.

Performance

The execution and completion of tasks or actions, often measured against preset standards of accuracy, speed, and efficiency.

Winter Showcase

An event, often in the arts, where talents or projects are displayed during the winter season.