Asked by gloria
IQ scores in the US population have an average of µ = 100 and a standard deviation of σ = 15. Suppose a researcher wanted to test whether socioeconomic status (SES) has an effect on IQ scores. The researcher takes a random sample of n = 100 people, selected from a list of the 1000 richest people in the United States. a. Based on this information, what is the expected value of the mean for the sampling distribution?
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Answered by
PsyDAG
From your limited data, 100 or greater.
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