A Researcher Selects a Sample of 25 Participants from a Population

question 23

Multiple Choice

A researcher selects a sample of 25 participants from a population with a mean of 10 and a standard deviation of 5.What is the probability of selecting a sample mean equal to at least 12?

• A)less than 1%
• B)greater than 50%
• C)about the same as selecting a sample mean that is at least equal to the population mean
• D)equal to the probability of selecting a sample mean that is smaller than 8

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Definitions:

Culture

The shared beliefs, values, norms, and practices that define a group of people or a society.

Shared Meanings

A concept in communication and semiotics referring to the common understanding or interpretation of signs and symbols among members of a society or group.

Values

Fundamental beliefs or principles that guide an individual's or organization's behavior and decision-making process.

Reference Group

A social group that serves as a point of comparison for individuals in their purchase or consumption decisions.