Hi,

The standard error of a sample is 9, and the sample size is 49. 

What is the population standard deviation?

 SE = 9 = σ/sqrt(49)

      63 = σ 

RELATED QUESTIONS

What is the relationship between sample size, sample standard deviation, and standard... (answered by stanbon)

The standard deviation of a population is known to be 7.8. If the sample size is 85, what  (answered by stanbon)

Given the population standard deviation equals 70, and the standard error of the mean... (answered by stanbon)

1) A population has a mean of μ = 50 and a standard deviation of σ= 12.
For samples of  (answered by Theo)

The size of the sampling error is 
A. Directly related to the sample size, i.e., the... (answered by robertb,shrestha5)

A sample of n=16 scores has a standard error of 4. What is the standard deviation of the... (answered by mathmate)

Determine the necessary sample size for a confidence interval around a sample mean:  Set... (answered by Boreal)

A variable of a population has a mean of  100 and a standard deviation of 28.
a. The... (answered by stanbon)

If you are rolling a fair die five times then sample size n=3. what is the population... (answered by CPhill)