A Random Sample of Size 100 Is Drawn from a Population

question 56

Multiple Choice

A random sample of size 100 is drawn from a population with a standard deviation of 10.If only 5% of the time a sample mean greater than 20 is obtained, the mean of the population is closest to ______

• A)18.35
• B)16.25
• C)17.2
• D)20
• E)19

---

Definitions:

Treatment Sensitive

Describes conditions or subjects that exhibit detectable or significant changes in response to interventions or treatments.

Objective Evidence

Information that is measurable, factual, and unbiased, observable by an external observer.

Counseling

The professional guidance of individuals by the use of psychological methods, particularly in resolving personal conflicts and emotional problems.

Research Training Environment

The context or setting in which research skills and knowledge are taught and learned.