Asked by Mae

For a population that has a standard deviation of 10, figure the standard deviation of the distribution of means for samples of size- (b) 3.
Answered by MathGuru
Take standard deviation and divide it by the square root of the sample size.
Answered by louanee
a population has a mean of 1100 an st. dev of 15. ind the mean and st.dev of the sample mean with the given size :
a) n- 50

b)n = 50