Let X1, X2,...,Xn denote a random sample from a distribution that is N(μ, θ), 0<θ<infinity, where μ is unknown. Let Y = the sum from 1 to n of (Xi-Xbar)^2/n=V. What are the E[Y] and Var[Y].>0.
Please see attachment.
The solution is provided in an attachment and is given step-by-step equationally.