Kizspy | Question: 90
(Choose 1 answer)
pjevention. Jam
The standard error of the mean for a sample of 100 is 30. In order to cut the standard error of the mean to 15,
we would
A. decrease the sample size to 50.
B. decrease the sample to 25.
C. increase the sample size to 200.
D. increase the sample size to 400.
