Under the assumptions of normal regression analysis, show that (a) The least squares estimate of a in

Question:

Under the assumptions of normal regression analysis, show that
(a) The least squares estimate of a in Theorem 14.2 can be written in the form

(b) A has a normal distribution with

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...