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aama100

  • 4 years ago

For a random sample of 23 Asian countries, the variance on life expectancy was 7.3 years. What is the 95% confidence interval for the variance of life expectancy in all of Asia? A)2 4.4 <s <14.6 B)2 27.2 <s <118.3 C)2 28.9 <s <115.0 D)2 5.6 <s <10.3

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