What is the standard error of the mean when you have a population standard deviation of 2 and a sample size of 9?
A)0.76
B)-0.67
C)0.67
D)-0.76

Question

Quizplus · Accepted Answer

The formula for calculating the standard error of the mean is:

Standard error of the mean = (Population standard deviation) / √(Sample size)

Plugging in the values we get:
Standard error of the mean = 2 / √(9) = 2/3

Thus, the standard error of the mean is 0.67 (option C).

What Is the Standard Error of the Mean When You