Question: Test the following hypotheses by using the given sample information and = .05. Assume the populations are normally distributed. H0: 21 = 22 .......Ha:

Test the following hypotheses by using the given sample information and α = .05. Assume the populations are normally distributed.
H0: σ21 = σ22 .......Ha: σ21 ≠ σ22
n1 = 5, ....... n2 = 19, .......s1 = 4.68, .......s2 = 2.78

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