Specify the appropriate rejection region for testing H0 21 22 in each of the following situations a Ha 21 22 05, n1, 25, n2 20 b Ha 21 22 05, n1, 10, n2 15 c Ha 21 22 10, n1 21, n2 31 d Ha 21 22 01, n1, 31, n2 41 e H A 21 22 05, n1, 7, n2 16

Question: Specify the appropriate rejection region for testing H0: 21 = 22 in each of the following situations: a. Ha: 21 > 22; = .05,

Specify the appropriate rejection region for testing H0: σ21 = σ22 in each of the following situations:
a. Ha: σ21 > σ22; α = .05, n1, = 25, n2 = 20
b. Ha: σ21 < σ22; α = .05, n1, = 10, n2 = 15
c. Ha: σ21 > σ22; α = .10, n1 = 21, n2 = 31
d. Ha. σ21 > σ22; α = .01, n1, - 31, n2 = 41
e. H.A: σ21 > σ22; α = .05, n1, = 7, n2 = 16

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