Distribution of wealth. Refer to Problem 87. (A) Use cubic regression to find the equation of a

Question:

of wealth. Refer to Problem 87.
(A) Use cubic regression to find the equation of a Lorenz curve for the data.
(B) Use the cubic regression equation you found in Part (A) and a numerical integration routine to approximate the Gini index of income concentration.
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...