Suppose You Are Testing the Null Hypothesis That a Population

question 45

Multiple Choice

Suppose you are testing the null hypothesis that a population mean is less than or equal to 46, against the alternative hypothesis that the population mean is greater than 46.The sample size is 25 and α =.05.If the sample mean is 50 and the population standard deviation is 8, the observed z value is _______.

• A)2.5
• B)-2.5
• C)6.25
• D)-6.25
• E)12.5

---

Definitions:

Organizational Charts

Visual representations that illustrate the structure of an organization, showing relationships and ranks of jobs.

Punctuated Equilibrium

A theory originally from evolutionary biology, applied to organizational change, suggesting that long periods of stability are interrupted by brief phases of significant change.

Critical Point

A decisive moment or threshold in a process or system where significant change occurs, often leading to a new state or condition.

Stage Model

A theoretical model that describes a process through a series of stages or phases, often utilized in psychology, change management, and organizational theory.