SOLUTION: If a population has a standard deviation σ of 18.2 units, what is the standard error of the mean if samples of size 25 are selected? Show all work.

Algebra.Com
Question 697568: If a population has a standard deviation σ of 18.2 units, what is the standard error of the mean if samples of size 25 are selected? Show all work.
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Se = sigma/sqrt(n)

Se = 18.2/sqrt(25)

Se = 18.2/5

Se = 3.64

RELATED QUESTIONS

If a population has a standard deviation σ of 25 units, what is the standard error... (answered by stanbon)
If a population has a standard deviation σ of 5 units, what is the standard error of (answered by stanbon)
If a population has a standard deviation o of 25 units, what is the standard error of... (answered by stanbon)
Another normally distributed set of population scores has a mean of 110 and a standard... (answered by CPhill)
If σ is the standard deviation of a population, what would be the standard deviation (answered by jim_thompson5910)
1) A population has a mean of μ = 50 and a standard deviation of σ= 12. For samples of (answered by Theo)
A population has a standard deviation σ of 27 units. (Give your answers correct to... (answered by ewatrrr)
The heights of fully grown trees of a specific species are normallydistributed, with a... (answered by Boreal)
The standard deviation of a population is known to be 7.8. If the sample size is 85, what (answered by stanbon)