28 47 47 31 さ 56 。 以88 5 %8 さ8 手出88 =55高 。

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.2: Arithmetic Sequences
Problem 51E
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Question

Below are the ozone concentrations in areas of Singapore, Japan, Philippines, and Taiwan. Obtain a 95% confidence interval for its variance. What assumptions have you made in using the formula for the confidence interval?

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Transcribed Image Text:11 14 14 14 16 17 20 24 25 25 28 30 30 31 31 33 34 34 35 35 37 37 37 38 39 41 41 42 44 44 44 45 47 47 47 47 51 53 53 54 54 55 55 56 56 56 57 57 58 58 58 58 59 60 60 60 61 62 62 62 65 66 66 66 66 67 68 68 74 75 76 76 87 92 92 94 81
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