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A researcher randomly selects a sample of participants from a population with a variance of 4. If the researcher selects a sample of 16 participants with a mean of 12, then what is the mean and standard error for the sampling distribution of the mean?

A. mean = 12, standard error = 2

B. mean = 12, standard error = 1

C. mean = 12, standard error = 0.5

D. There is not enough information to answer this question.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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