9. The SAT subject tests in chemistry and physics for two groups of n=9 students each electing to take these tests had a variance of 12954 for chemistry, and a variance of 10083 for physics. Construct a 90% confidence interval for the variance ratio, o/o2. (Hint: use the F Distribution)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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Author:Carter
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Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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9. The SAT subject tests in chemistry and physics for two groups of n=9 students each electing to take these tests had a
variance of 12954 for chemistry, and a variance of 10083 for physics. Construct a 90% confidence interval for the
variance ratio, o/o2. (Hint: use the F Distribution)
Transcribed Image Text:9. The SAT subject tests in chemistry and physics for two groups of n=9 students each electing to take these tests had a variance of 12954 for chemistry, and a variance of 10083 for physics. Construct a 90% confidence interval for the variance ratio, o/o2. (Hint: use the F Distribution)
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