A researcher selects a sample of 100 participants from a population with a mean of 38 and a standard deviation of 20.About 68% of the sample means in this sampling distribution should be between a sample mean of
A)34 and 40
B)34 and 38
C)38 and 44
D)36 and 40

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The Answer of A researcher selects a sample of 100 participants from a population with a mean of 38 and a standard deviation of 20.About 68% of the sample means in this sampling distribution should be between a sample mean of
A)34 and 40
B)34 and 38
C)38 and 44
D)36 and 40

A Researcher Selects a Sample of 100 Participants from a Population