Given the Following Information About a Hypothesis, and the Test

question 16

Multiple Choice

Given the following information about a hypothesis, and the test of the difference between two variances based on independent random samples, what is the critical value of the test statistic at a significance level of 0.05? Assume that the samples are obtained from normally distributed populations. H_A: σ²_A > σ²_B, ₁ = 12, ₂ = 9, s₁ = 5, s₂ = 3, n₁ = 13, n₂ = 10.

• A) 3.87
• B) 2.67
• C) 3.07
• D) 2.80
• E) 2.38

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