The standard error of the sample mean is equal to 5 when n=25. If the sample size increases by a factor of four, who will the standard error change?

14) The standard error of the sample mean is equal to 5 when n=25. If the sample size increases by a factor of four, who will the standard error change?
A. It will double.
B. It will be cut to ¼ of 5.
C. It will be cut in half.
D. It will quadruple.
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RES 342 RES342 Final Exam
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