A Population Has a Standard Deviation of 50

question 36

Multiple Choice

A population has a standard deviation of 50. A random sample of 100 items from this population is selected. The sample mean is determined to be 600. At 95% confidence, the margin of error is

• A)5
• B)9.8
• C)650
• D)609.8

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Definitions:

David McClelland

is known for his work on achievement motivation, including the theory that people are motivated by the need for achievement, power, and affiliation.

Need Achievement Theory

A psychological theory that explores motivation and focuses on how an individual's need for achievement influences their behavior and performance.

TAT

Thematic Apperception Test, a projective psychological test that involves creating stories about ambiguous scenes and images, used to uncover a person's underlying thoughts, motives, and feelings.

Achievement Motivation

A drive within individuals to set and accomplish goals, often fueled by a desire for success and recognition.