If you have a population standard deviation of 9 and a sample size of 81,what is your standard error of the mean?
A)-3.0
B)2.0
C)1.0
D)0

Question

Quizplus · Accepted Answer

The formula for the standard error of the mean is:

SE = σ/√n

where σ is the population standard deviation and n is the sample size.

Substituting the given values, we get:

SE = 9/√81 = 9/9 = 1

Therefore, the standard error of the mean is 1. The correct answer is choice C.

If You Have a Population Standard Deviation of 9 and a Sample