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We want to test the hypothesis that two sample means for treatment and control groups come from two different populations. Which is the appropriate null

We want to test the hypothesis that two sample means for treatment and control groups come from two different populations. Which is the appropriate null and alternative hypotheses? Question 1 options: H0: u1 = u2; H1: u1 != u2 H0: u1 > u2; H1: u1 = u2 H0: u1 u2; H1: u1 u2 H0: u1 = u2; H1: u1 > u2

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