Suppose that X1, . . . , Xn form a random sample from the normal distribution with

Question:

Suppose that X1, . . . , Xn form a random sample from the normal with known mean 0 and unknown variance σ2, and suppose that it is desired to test the following hypotheses:
H0: σ2 ≤ 2,
H1: σ2 > 2.
Show that there exists a UMP test of these hypotheses at every level of significance α0 (0 < α0 < 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...