A professor applies the variance in scores between two sections that he teaches.The students of each section took the same test.The random samples drawn from the observations yield sample variances of = 203.15 and = 474.42 for samples of n₁ = 13 and n₂ = 16,respectively.Which of the following is a 99% confidence interval for the ratio of the population variances? A) [0.1540,2.7809] B) [0.1008,2.0217] C) [0.1386,3.0895] D) [0.0907,1.8198]

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The Answer of A professor applies the variance in scores between two sections that he teaches.The students of each section took the same test.The random samples drawn from the observations yield sample variances of = 203.15 and = 474.42 for samples of n₁ = 13 and n₂ = 16,respectively.Which of the following is a 99% confidence interval for the ratio of the population variances? A) [0.1540,2.7809] B) [0.1008,2.0217] C) [0.1386,3.0895] D) [0.0907,1.8198]

A Professor Applies the Variance in Scores Between Two Sections