For a Random Sample of 23 European Countries, the Variance $4.4 < \sigma ^ { 2 } < 14.6$

question 113

Multiple Choice

For a random sample of 23 European countries, the variance on life expectancy was years. What is the 95% confidence interval for the variance of life expectancy in all of
Europe?

• A) \(4.4 < \sigma ^ { 2 } < 14.6\)
• B) \(5.6 < \sigma ^ { 2 } < 10.3\)
• C) \(27.2 < \sigma ^ { 2 } < 118.3\)
• D) \(28.9 < \sigma ^ { 2 } < 115.0\)

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