If you have a population standard deviation of 18 and a sample size of 81, what is your standard error of the mean?
A)−3
B)2
C)1
D)9

Name: If you have a population standard deviation of 18 and a sample size of 81, what is your standard error of the mean? A)−3 B)2 C)1 D)9
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Quizplus · Accepted Answer

The standard error of the mean is calculated by dividing the population standard deviation by the square root of the sample size: 18 / √81 = 18 / 9 = 2.

If You Have a Population Standard Deviation of 18 and a Sample