12-48. Suppose X1, . . . ,Xn is a random sample taken from a N(, ) random...

12-48. Suppose X1, . . . ,Xn is a random sample taken from a N(μ, σ) random variable with both μ, σ2 unknown. Conduct the generalized likelihood ratio test of H0 : σ2 ≥ σ2 0

= 0.37, against H1 : σ2 < 0.37.