When we test H₀: µ₁- µ₂ $\le$0,H_A: µ₁- µ₂ 0, ₁ = 15.4, ₂ = 14.5,$\sigma$₁ = 2,$\sigma$₂ = 2.28,n₁ = 35,n₂ = 18 at $\alpha$ = .01,the test statistic used is: A)1.42 B)2.10 C)2.33 D)21.6

Question

When we test H₀: µ₁- µ₂ $\le$0,H_A: µ₁- µ₂> 0, ₁ = 15.4, ₂ = 14.5,$\sigma$₁ = 2,$\sigma$₂ = 2.28,n₁ = 35,n₂ = 18 at $\alpha$ = .01,the test statistic used is: A)1.42 B)2.10 C)2.33 D)21.6

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The Answer of When we test H₀: µ₁- µ₂ $\le$0,H_A: µ₁- µ₂> 0, ₁ = 15.4, ₂ = 14.5,$\sigma$₁ = 2,$\sigma$₂ = 2.28,n₁ = 35,n₂ = 18 at $\alpha$ = .01,the test statistic used is: A)1.42 B)2.10 C)2.33 D)21.6

When We Test H0: µ1- µ2 ≤\le≤ 0,HA: µ1- µ2> 0, 1 = 15

When We Test H₀: µ₁- µ₂ $\le$ 0,H_A: µ₁- µ₂> 0, ₁ = 15