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The statistics of n=22 and s=14.3 result in this 95% confidence interval estimate of σ: 11.0<σ<20.4. That confidence interval can also be expressed as (11.0, 20.4). Given that 15.7+_4.7 results in values of 11.0 and 20.4, can the confidence interval be expressed as 15.7+_4.7 as well? Choose the correct answer below. A. Yes. In general, a confidence interval for σ has s at the center. B. Yes. Since the chi-square distribution is symmetric, a confidence interval for can be expressed as 15.7+_4.7. C. No. The format implies that s=15.7, but s is given as 14.3. In general, a confidence interval for σ does not have s at the center. D. Not enough information
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The statistics of n=22 and s=14.3 result in this 95% confidence interval estimate of σ: 11.0<σ&...
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