When We Test H₀: μ₁ - μ₂ ≤ 0,H_A: μ₁ $\bar { X }_ { 1 }$

question 47

Essay

When we test H₀: μ₁ - μ₂ ≤ 0,H_A: μ₁ - μ₂ > 0, $\bar { X }_ { 1 }$
= 15.4, $\bar { X }_ { 1 }$
= 14.5,s₁ = 2,s₂ = 2.28,n₁ = 35,and n₂ = 18 at α = .01,can we reject the null hypothesis? (Assume unequal variances. )

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