Start with the fact that (n 1)S 2 / 2 has a chi square distribution with

Question:

Start with the fact that (n − 1)S²/σ² has a chi square distribution with n − 1 df (if the Y_i ’s are normally distributed) and derive the confidence interval formulas given in Theorem 7.5.1.

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...