Refer to Exercise 10.113. Suppose that another independent
Chapter 10, Problem 114E(choose chapter or problem)
Problem 114E
Refer to Exercise 10.113. Suppose that another independent random sample of size n3 is selected from a third normal population with mean μ3 and variance σ 2. Find the likelihood ratio test for testing H0 : μ1 = μ2 = μ3 versus the alternative that there is at least one inequality. Show that this test is equivalent to an exact F test.
Reference
Refer to Exercise 10.112. Show that in testing of H0 : μ1 = μ2 versus Ha : μ1 ≠ μ2 (σ 2 unknown) the likelihood ratio test reduces to the two-sample t test.
Suppose that independent random samples of sizes n1 and n2 are to be selected from normal populations with means μ1 and μ2, respectively, and common variance σ 2. For testing H0 : μ1 = μ2 versus Ha : μ1 − μ2 > 0 (σ 2 unknown), show that the likelihood ratio test reduces to the two-sample t test presented in Section 10.8.
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