Test the claim about the difference between two population means u, and u, at the level of significance a. Assume the samples are random and independent, and the populations are normally distributed. Claim: μ Ε μ2, α- 0.01 Population statistics: o, = 3.2, o2 = 1.5 Sample statistics: x, = 14, n, = 28, x2 = 16, ng = 27 Determine the alternative hypothesis.

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