Repeat Problem 15.2.4 using the data set in DS 15.2.2. Problem 15.2.4 Use the rank sum test

Question:

Repeat Problem 15.2.4 using the data set in DS 15.2.2.
Problem 15.2.4
Use the rank sum test procedure to analyze the two samples in DS 15.2.1.
(a) What is SA?
(b) What is UA?
(c) Is the value of UA consistent with the observations from population A being larger or smaller than the observations from population B?
(d) Use a computer package to find a two-sided p-value for the null hypothesis that the two functions are identical. Is the difference between the Iwo functions suggested in part (d) statistically significant?
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...