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A Professor Analyzes the Variance in Scores Between Two Sections

Question 14

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A professor analyzes 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 A professor analyzes 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 n<sub>1</sub> = 13 and n<sub>2</sub> = 16,respectively.Construct 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] = 203.15 and A professor analyzes 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 n<sub>1</sub> = 13 and n<sub>2</sub> = 16,respectively.Construct 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] = 474.42 for samples of n1 = 13 and n2 = 16,respectively.Construct 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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