(c) Under Hoμ₁ = μ₂, let us write µ₁ = µ₂ = µ. Prove that the maximum likelihood estimator of u, assuming Ho is true, is the pooled estimator == Σ "1X: +2=1Y; mX+nY m+n m+n (d) Using part (a), (b) and (c), prove that the likelihood ratio can be written as max=2= L(µ, µ) maxμ₁₂ (μ1, 2) = exp 1 mn 2 (m+n) (x - (e) Using part (d), prove that the critical region of the likelihood ratio test with significance level a is of the form C = {√ mn m+n -
(c) Under Hoμ₁ = μ₂, let us write µ₁ = µ₂ = µ. Prove that the maximum likelihood estimator of u, assuming Ho is true, is the pooled estimator == Σ "1X: +2=1Y; mX+nY m+n m+n (d) Using part (a), (b) and (c), prove that the likelihood ratio can be written as max=2= L(µ, µ) maxμ₁₂ (μ1, 2) = exp 1 mn 2 (m+n) (x - (e) Using part (d), prove that the critical region of the likelihood ratio test with significance level a is of the form C = {√ mn m+n -
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Let X1, . . . , Xm i.i.d.∼ N (μ1, 1) and Y1, . . . , Yn i.i.d.∼ N (μ2, 1).
Suppose that these two samples are independent. We would like to test
H0 : μ1 = μ2, H1 : μ1 != μ2 using the likelihood ratio test.
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