In Constructing a 90% Interval Estimate for the Ratio of Two

question 6

Multiple Choice

In constructing a 90% interval estimate for the ratio of two population variances, / , two independent samples of sizes 40 and 60 are drawn from the populations. The sample variances are 515 and 920. What is the lower confidence limit?

• A) 0.341
• B) 0.352
• C) 0.890
• D) 0.918

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