Random samples of size 5, 20, and 80 are drawn from a population with a mean of 100 and a standard deviation of 15 a Give the mean of the sampling distribution of y for each of the three sample sizes b Give the standard deviation of the sampling distribution of y for each of the three sample sizes ...

a The mean of the sampling distribution of ybar is 100 for each of the sample sizes o ...

Random samples of size 5, 20, and 80 are drawn from a population with a mean of

Question:

Random samples of size 5, 20, and 80 are drawn from a population with a mean of μ = 100 and a standard deviation of σ = 15.
a. Give the mean of the sampling of y for each of the three sample sizes.
b. Give the standard deviation of the sampling of y for each of the three sample sizes.
c. Based on the results obtained in parts (a) and (b), what do you conclude about the accuracy of using the sample mean y as an estimate of population mean μ?
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...