SOLUTION: An SRS of size 20 is drawn from a population that has a normal distribution. The sample has a mean of 149 and a standard deviation of 9.5. Give the standard error of the mean:

Algebra ->  Probability-and-statistics -> SOLUTION: An SRS of size 20 is drawn from a population that has a normal distribution. The sample has a mean of 149 and a standard deviation of 9.5. Give the standard error of the mean:      Log On


   

Question 1077550: An SRS of size 20 is drawn from a population that has a normal distribution. The sample has a mean of 149 and a standard deviation of 9.5.
Give the standard error of the mean:
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
it is s/sqrt(n)=9.5/sqrt(40)=1.502. That is the sd for all samples of size 20.