The following data are provided for two samples drawn from independent populations: W = 545, n1 =

Question:

The following data are provided for two samples drawn from independent populations: W = 545, n1 = 25, and n2 = 25. Suppose the distribution of W is approximately normal.

a. Calculate the mean and the standard deviation of the distribution of W.

b. Specify the competing hypotheses to determine whether the median of Population 1 differs from the median of Population 2.

c. Calculate the value of the test statistic Z.

d. Calculate the p-value.

e. At the 10% significance level, what is the conclusion?

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...