Prove the claim in Theorem 11.7.3 about the distribution of U2A+B. E(Yij) = + i +

Question:

Prove the claim in Theorem 11.7.3 about the of U2A+B.
E(Yij) = μ + αi + βj for i = 1, . . . , I and j = 1, . . . , J. (11.7.3)
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...