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When testing H0: μ1 − μ2 = 2, HA: μ1 − μ2 > 2, where 1 = 522,
2 = 516, s12 = 28, s22 = 24, n1 = 40, n2 = 30, at α = .01, what can we conclude using critical value rules? (Assume unequal variances.)
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