SOLUTION: A variable of a population has a mean of 100 and a standard deviation of 28. a. The sampling distribution of the sample mean for samples of size 49 is approximately normally dist

Algebra.Com
Question 580237: A variable of a population has a mean of 100 and a standard deviation of 28.
a. The sampling distribution of the sample mean for samples of size 49 is approximately normally distributed with mean _____ and standard deviation _______.

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
A variable of a population has a mean of 100 and a standard deviation of 28.
a. The sampling distribution of the sample mean for samples of size 49 is approximately normally distributed with mean 100 and standard deviation 28/sqrt(49) = 28/7 = 4
=================
Cheers,
Stan H.
===============

RELATED QUESTIONS

A population has a mean 82 and a standard deviation 30. Find the mean and standard... (answered by Edwin McCravy)
Consider a population with a mean of 25 and a standard deviation of 4. A sample of 100... (answered by math_tutor2020)
The population has a mean of 14 and a standard deviation of 3. The sample size of your... (answered by stanbon)
The population has a mean of 14 and a standard deviation of 3. The sample size of your... (answered by stanbon)
15. A population has a mean μ = 90 and a standard deviation σ = 27. Find the... (answered by stanbon,ewatrrr)
A population has a mean of 72 and a standard deviation of 7. Find the mean and standard... (answered by stanbon)
A population has a mean of µ = 100 and ơ = 15. Find the mean and standard deviation of... (answered by math_tutor2020)
A population has a mean of µ = 100 and ơ = 15. Find the mean and standard deviation of... (answered by ikleyn)
A population has a mean of 73 and standard deviation of 20. Find the mean and standard... (answered by tommyt3rd)