Statement of a problem № m40931


Claim: σ12 ≠ σ22; α = 0.05. Sample statistics: s12 = 245, n1 = 31 and s22 = 112, n2 = 28 Test the claim about the difference between two population variances σ12 and σ22 at the level of significance a. Assume the samples are random and independent, and the populations are normally distributed. If convenient, use technology

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