A Researcher Selects a Sample of 49 Participants from a Population

question 53

Multiple Choice

A researcher selects a sample of 49 participants from a population with a mean of 12 and a standard deviation of 3.5.What is the probability of selecting a sample mean that is at least equal to the population mean?

• A).50
• B)equal to the probability of selecting a sample mean that is at most equal to the population mean
• C)both A and B
• D)none of the above

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Definitions:

Effect Size

A quantitative measure of the magnitude of the experimental effect, indicating the strength of the relationship between the variables.

Cramér's V

A measure of association between two nominal variables, indicating the strength of their relationship.

Effect Size

A quantitative measure of the strength of a phenomenon or the magnitude of a difference in a statistical analysis.

Cramér's V

A measure of association between two nominal variables, giving a value between 0 and 1 to indicate the strength of association.