If you have a population standard deviation of 2 and a sample size of 9, what is your standard error of the mean?
A)0.76
B)−0.67
C)0.67
D)−0.76

Question

Quizplus · Accepted Answer

The formula to calculate the standard error of the mean is:

Standard error of the mean = Population standard deviation / Square root of sample size

Plugging in the values:

Standard error of the mean = 2 / √9 = 2/3 = 0.67

Therefore, the correct choice is C, 0.67.

If You Have a Population Standard Deviation of 2 and a Sample