Suppose You Wish to Estimate a Population Mean Based

question 57

Multiple Choice

Suppose you wish to estimate a population mean based on a sample of n observations. What sample size is required if you want your estimate to be within 2 standard deviations of with probability equal to 0.95, if you know the population standard deviation is 12?

• A) 239
• B) 196
• C) 139
• D) 98

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Definitions:

Task Oriented

A task-oriented approach focuses on completing tasks and achieving goals efficiently, with primary attention on job performance and tasks at hand.

Relationship Oriented

An approach or behavior that prioritizes building and maintaining strong interpersonal relationships above other considerations.

Evolutionary Approach

A theoretical perspective in psychology that examines the role of evolutionary processes (natural selection, adaptation) in shaping human behavior and mental processes.

Intergroup Conflict

A situation where members of different groups experience friction, opposition, or antagonism, often arising from competition for resources, differences in values, or perceived threats.