A Researcher Wants to Determine the Sample Size Necessary to Adequately

question 34

Multiple Choice

A researcher wants to determine the sample size necessary to adequately conduct a study to estimate the population mean to within 5 points.The range of population values is 80 and the researcher plans to use a 90% level of confidence.The sample size should be at least _______.

• A)44
• B)62
• C)216
• D)692
• E)700

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Definitions:

Leadership

Getting group members to achieve the group’s goals.

Power

Capacity to influence others while resisting their attempts to influence.

Informational Power

Influence derived from possessing knowledge or information that others perceive as valuable or essential.

Positive Reference Group

A group that individuals aspire to or identify with, often influencing their attitudes, behaviors, and perceptions of self.