Use the given statistics to complete parts (a) and (b). Assume that the populations are normally distributed. (a) Test whether μ₁₂ at the α = 0.10 level of significance for the given sample data. (b) Construct a 90% confidence interval about μ₁-H₂. (a) Identify the null and alternative hypotheses for this test. OA. Ho: H₁ H₂ H₁: H₁ H₂ OD. Ho. H =2 H₁: Hy

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